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Finding the Fourth Proportional to 15,266.70, 22,900.05 and 4,175.10

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Solution

The fourth proportional to 15,266.70, 22,900.05 and 4,175.10 is: 6,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.70 : 22,900.05 = 4,175.10 : x
  2. Step 2: Convert to fraction form
    15,266.70/22,900.05 = 4,175.10/x
  3. Step 3: Cross multiply
    15,266.70x = 22,900.05 × 4,175.10
  4. Step 4: Simplify right side
    15,266.70x = 95,609,998.76
  5. Step 5: Solve for x
    x = 95,609,998.76/15,266.70
  6. Step 6: Final answer
    x = 6,262.65

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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.