Home / 15,008.48-20,711.93-8,294.26

Finding the Fourth Proportional to 15,008.48, 20,711.93 and 8,294.26

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Solution

The fourth proportional to 15,008.48, 20,711.93 and 8,294.26 is: 11,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.48 : 20,711.93 = 8,294.26 : x
  2. Step 2: Convert to fraction form
    15,008.48/20,711.93 = 8,294.26/x
  3. Step 3: Cross multiply
    15,008.48x = 20,711.93 × 8,294.26
  4. Step 4: Simplify right side
    15,008.48x = 171,790,132.52
  5. Step 5: Solve for x
    x = 171,790,132.52/15,008.48
  6. Step 6: Final answer
    x = 11,446.20

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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.