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Finding the Fourth Proportional to 14,010.20, 21,008.82 and 4,147.10

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Solution

The fourth proportional to 14,010.20, 21,008.82 and 4,147.10 is: 6,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.20 : 21,008.82 = 4,147.10 : x
  2. Step 2: Convert to fraction form
    14,010.20/21,008.82 = 4,147.10/x
  3. Step 3: Cross multiply
    14,010.20x = 21,008.82 × 4,147.10
  4. Step 4: Simplify right side
    14,010.20x = 87,125,677.42
  5. Step 5: Solve for x
    x = 87,125,677.42/14,010.20
  6. Step 6: Final answer
    x = 6,218.73

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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.