Home / 13,274.19-19,911.33-3,914.32

Finding the Fourth Proportional to 13,274.19, 19,911.33 and 3,914.32

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Solution

The fourth proportional to 13,274.19, 19,911.33 and 3,914.32 is: 5,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.19 : 19,911.33 = 3,914.32 : x
  2. Step 2: Convert to fraction form
    13,274.19/19,911.33 = 3,914.32/x
  3. Step 3: Cross multiply
    13,274.19x = 19,911.33 × 3,914.32
  4. Step 4: Simplify right side
    13,274.19x = 77,939,267.47
  5. Step 5: Solve for x
    x = 77,939,267.47/13,274.19
  6. Step 6: Final answer
    x = 5,871.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.