Home / 13,477.37-18,605.56-10,445.75

Finding the Fourth Proportional to 13,477.37, 18,605.56 and 10,445.75

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Solution

The fourth proportional to 13,477.37, 18,605.56 and 10,445.75 is: 14,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.37 : 18,605.56 = 10,445.75 : x
  2. Step 2: Convert to fraction form
    13,477.37/18,605.56 = 10,445.75/x
  3. Step 3: Cross multiply
    13,477.37x = 18,605.56 × 10,445.75
  4. Step 4: Simplify right side
    13,477.37x = 194,349,028.37
  5. Step 5: Solve for x
    x = 194,349,028.37/13,477.37
  6. Step 6: Final answer
    x = 14,420.40

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Half scale
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Double scale
Find fourth proportional to 13,478.37, 18,606.94 and 10,446.75
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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.