Home / 14,459.20-21,707.03-12,497.29

Finding the Fourth Proportional to 14,459.20, 21,707.03 and 12,497.29

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Solution

The fourth proportional to 14,459.20, 21,707.03 and 12,497.29 is: 18,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.20 : 21,707.03 = 12,497.29 : x
  2. Step 2: Convert to fraction form
    14,459.20/21,707.03 = 12,497.29/x
  3. Step 3: Cross multiply
    14,459.20x = 21,707.03 × 12,497.29
  4. Step 4: Simplify right side
    14,459.20x = 271,279,048.95
  5. Step 5: Solve for x
    x = 271,279,048.95/14,459.20
  6. Step 6: Final answer
    x = 18,761.69

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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.