Home / 15,280.30-21,032.53-11,294.47

Finding the Fourth Proportional to 15,280.30, 21,032.53 and 11,294.47

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Solution

The fourth proportional to 15,280.30, 21,032.53 and 11,294.47 is: 15,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.30 : 21,032.53 = 11,294.47 : x
  2. Step 2: Convert to fraction form
    15,280.30/21,032.53 = 11,294.47/x
  3. Step 3: Cross multiply
    15,280.30x = 21,032.53 × 11,294.47
  4. Step 4: Simplify right side
    15,280.30x = 237,551,279.11
  5. Step 5: Solve for x
    x = 237,551,279.11/15,280.30
  6. Step 6: Final answer
    x = 15,546.24

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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.