Home / 21,445.17-29,594.25-12,013.71

Finding the Fourth Proportional to 21,445.17, 29,594.25 and 12,013.71

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Solution

The fourth proportional to 21,445.17, 29,594.25 and 12,013.71 is: 16,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.17 : 29,594.25 = 12,013.71 : x
  2. Step 2: Convert to fraction form
    21,445.17/29,594.25 = 12,013.71/x
  3. Step 3: Cross multiply
    21,445.17x = 29,594.25 × 12,013.71
  4. Step 4: Simplify right side
    21,445.17x = 355,536,737.17
  5. Step 5: Solve for x
    x = 355,536,737.17/21,445.17
  6. Step 6: Final answer
    x = 16,578.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.