Home / 14,499.38-20,010.16-8,211.76

Finding the Fourth Proportional to 14,499.38, 20,010.16 and 8,211.76

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Solution

The fourth proportional to 14,499.38, 20,010.16 and 8,211.76 is: 11,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.38 : 20,010.16 = 8,211.76 : x
  2. Step 2: Convert to fraction form
    14,499.38/20,010.16 = 8,211.76/x
  3. Step 3: Cross multiply
    14,499.38x = 20,010.16 × 8,211.76
  4. Step 4: Simplify right side
    14,499.38x = 164,318,631.48
  5. Step 5: Solve for x
    x = 164,318,631.48/14,499.38
  6. Step 6: Final answer
    x = 11,332.80

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Double scale
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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.