Home / 15,614.79-21,542.36-9,948.53

Finding the Fourth Proportional to 15,614.79, 21,542.36 and 9,948.53

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Solution

The fourth proportional to 15,614.79, 21,542.36 and 9,948.53 is: 13,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.79 : 21,542.36 = 9,948.53 : x
  2. Step 2: Convert to fraction form
    15,614.79/21,542.36 = 9,948.53/x
  3. Step 3: Cross multiply
    15,614.79x = 21,542.36 × 9,948.53
  4. Step 4: Simplify right side
    15,614.79x = 214,314,657.28
  5. Step 5: Solve for x
    x = 214,314,657.28/15,614.79
  6. Step 6: Final answer
    x = 13,725.11

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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.