Home / 21,445.83-29,594.43-12,013.92

Finding the Fourth Proportional to 21,445.83, 29,594.43 and 12,013.92

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Solution

The fourth proportional to 21,445.83, 29,594.43 and 12,013.92 is: 16,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.83 : 29,594.43 = 12,013.92 : x
  2. Step 2: Convert to fraction form
    21,445.83/29,594.43 = 12,013.92/x
  3. Step 3: Cross multiply
    21,445.83x = 29,594.43 × 12,013.92
  4. Step 4: Simplify right side
    21,445.83x = 355,545,114.47
  5. Step 5: Solve for x
    x = 355,545,114.47/21,445.83
  6. Step 6: Final answer
    x = 16,578.75

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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.