Home / 14,252.76-21,379.14-6,459.75

Finding the Fourth Proportional to 14,252.76, 21,379.14 and 6,459.75

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Solution

The fourth proportional to 14,252.76, 21,379.14 and 6,459.75 is: 9,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.76 : 21,379.14 = 6,459.75 : x
  2. Step 2: Convert to fraction form
    14,252.76/21,379.14 = 6,459.75/x
  3. Step 3: Cross multiply
    14,252.76x = 21,379.14 × 6,459.75
  4. Step 4: Simplify right side
    14,252.76x = 138,103,899.62
  5. Step 5: Solve for x
    x = 138,103,899.62/14,252.76
  6. Step 6: Final answer
    x = 9,689.63

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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.