Home / 14,253.60-21,358.80-9,631.20

Finding the Fourth Proportional to 14,253.60, 21,358.80 and 9,631.20

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Solution

The fourth proportional to 14,253.60, 21,358.80 and 9,631.20 is: 14,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.60 : 21,358.80 = 9,631.20 : x
  2. Step 2: Convert to fraction form
    14,253.60/21,358.80 = 9,631.20/x
  3. Step 3: Cross multiply
    14,253.60x = 21,358.80 × 9,631.20
  4. Step 4: Simplify right side
    14,253.60x = 205,710,874.56
  5. Step 5: Solve for x
    x = 205,710,874.56/14,253.60
  6. Step 6: Final answer
    x = 14,432.20

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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.