Home / 14,897.20-22,345.80-9,931.90

Finding the Fourth Proportional to 14,897.20, 22,345.80 and 9,931.90

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Solution

The fourth proportional to 14,897.20, 22,345.80 and 9,931.90 is: 14,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.20 : 22,345.80 = 9,931.90 : x
  2. Step 2: Convert to fraction form
    14,897.20/22,345.80 = 9,931.90/x
  3. Step 3: Cross multiply
    14,897.20x = 22,345.80 × 9,931.90
  4. Step 4: Simplify right side
    14,897.20x = 221,936,251.02
  5. Step 5: Solve for x
    x = 221,936,251.02/14,897.20
  6. Step 6: Final answer
    x = 14,897.85

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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.