Home / 14,631.60-21,937.76-8,306.64

Finding the Fourth Proportional to 14,631.60, 21,937.76 and 8,306.64

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Solution

The fourth proportional to 14,631.60, 21,937.76 and 8,306.64 is: 12,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.60 : 21,937.76 = 8,306.64 : x
  2. Step 2: Convert to fraction form
    14,631.60/21,937.76 = 8,306.64/x
  3. Step 3: Cross multiply
    14,631.60x = 21,937.76 × 8,306.64
  4. Step 4: Simplify right side
    14,631.60x = 182,229,074.73
  5. Step 5: Solve for x
    x = 182,229,074.73/14,631.60
  6. Step 6: Final answer
    x = 12,454.49

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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.