Home / 14,186.38-21,279.57-14,165.88

Finding the Fourth Proportional to 14,186.38, 21,279.57 and 14,165.88

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Solution

The fourth proportional to 14,186.38, 21,279.57 and 14,165.88 is: 21,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.38 : 21,279.57 = 14,165.88 : x
  2. Step 2: Convert to fraction form
    14,186.38/21,279.57 = 14,165.88/x
  3. Step 3: Cross multiply
    14,186.38x = 21,279.57 × 14,165.88
  4. Step 4: Simplify right side
    14,186.38x = 301,443,835.07
  5. Step 5: Solve for x
    x = 301,443,835.07/14,186.38
  6. Step 6: Final answer
    x = 21,248.82

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Double scale
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Similar ratio
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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.