Home / 16,310.80-22,508.15-9,237.28

Finding the Fourth Proportional to 16,310.80, 22,508.15 and 9,237.28

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Solution

The fourth proportional to 16,310.80, 22,508.15 and 9,237.28 is: 12,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.80 : 22,508.15 = 9,237.28 : x
  2. Step 2: Convert to fraction form
    16,310.80/22,508.15 = 9,237.28/x
  3. Step 3: Cross multiply
    16,310.80x = 22,508.15 × 9,237.28
  4. Step 4: Simplify right side
    16,310.80x = 207,913,971.29
  5. Step 5: Solve for x
    x = 207,913,971.29/16,310.80
  6. Step 6: Final answer
    x = 12,747.01

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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.