Home / 16,572.64-22,871.76-9,121.12

Finding the Fourth Proportional to 16,572.64, 22,871.76 and 9,121.12

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Solution

The fourth proportional to 16,572.64, 22,871.76 and 9,121.12 is: 12,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.64 : 22,871.76 = 9,121.12 : x
  2. Step 2: Convert to fraction form
    16,572.64/22,871.76 = 9,121.12/x
  3. Step 3: Cross multiply
    16,572.64x = 22,871.76 × 9,121.12
  4. Step 4: Simplify right side
    16,572.64x = 208,616,067.57
  5. Step 5: Solve for x
    x = 208,616,067.57/16,572.64
  6. Step 6: Final answer
    x = 12,587.98

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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.