Home / 21,251.92-29,332.60-12,304.68

Finding the Fourth Proportional to 21,251.92, 29,332.60 and 12,304.68

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Solution

The fourth proportional to 21,251.92, 29,332.60 and 12,304.68 is: 16,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,251.92 : 29,332.60 = 12,304.68 : x
  2. Step 2: Convert to fraction form
    21,251.92/29,332.60 = 12,304.68/x
  3. Step 3: Cross multiply
    21,251.92x = 29,332.60 × 12,304.68
  4. Step 4: Simplify right side
    21,251.92x = 360,928,256.57
  5. Step 5: Solve for x
    x = 360,928,256.57/21,251.92
  6. Step 6: Final answer
    x = 16,983.32

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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.