Home / 19,433.85-29,126.17-12,411.15

Finding the Fourth Proportional to 19,433.85, 29,126.17 and 12,411.15

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Solution

The fourth proportional to 19,433.85, 29,126.17 and 12,411.15 is: 18,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.85 : 29,126.17 = 12,411.15 : x
  2. Step 2: Convert to fraction form
    19,433.85/29,126.17 = 12,411.15/x
  3. Step 3: Cross multiply
    19,433.85x = 29,126.17 × 12,411.15
  4. Step 4: Simplify right side
    19,433.85x = 361,489,264.80
  5. Step 5: Solve for x
    x = 361,489,264.80/19,433.85
  6. Step 6: Final answer
    x = 18,601.01

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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.