Home / 17,712.48-26,575.28-8,472.16

Finding the Fourth Proportional to 17,712.48, 26,575.28 and 8,472.16

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Solution

The fourth proportional to 17,712.48, 26,575.28 and 8,472.16 is: 12,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.48 : 26,575.28 = 8,472.16 : x
  2. Step 2: Convert to fraction form
    17,712.48/26,575.28 = 8,472.16/x
  3. Step 3: Cross multiply
    17,712.48x = 26,575.28 × 8,472.16
  4. Step 4: Simplify right side
    17,712.48x = 225,150,024.20
  5. Step 5: Solve for x
    x = 225,150,024.20/17,712.48
  6. Step 6: Final answer
    x = 12,711.38

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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.