Home / 13,577.49-18,738.41-10,386.23

Finding the Fourth Proportional to 13,577.49, 18,738.41 and 10,386.23

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Solution

The fourth proportional to 13,577.49, 18,738.41 and 10,386.23 is: 14,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.49 : 18,738.41 = 10,386.23 : x
  2. Step 2: Convert to fraction form
    13,577.49/18,738.41 = 10,386.23/x
  3. Step 3: Cross multiply
    13,577.49x = 18,738.41 × 10,386.23
  4. Step 4: Simplify right side
    13,577.49x = 194,621,290.47
  5. Step 5: Solve for x
    x = 194,621,290.47/13,577.49
  6. Step 6: Final answer
    x = 14,334.11

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Half scale
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Double scale
Find fourth proportional to 13,578.49, 18,739.79 and 10,387.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.