Home / 21,444.30-29,593.13-12,012.86

Finding the Fourth Proportional to 21,444.30, 29,593.13 and 12,012.86

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Solution

The fourth proportional to 21,444.30, 29,593.13 and 12,012.86 is: 16,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.30 : 29,593.13 = 12,012.86 : x
  2. Step 2: Convert to fraction form
    21,444.30/29,593.13 = 12,012.86/x
  3. Step 3: Cross multiply
    21,444.30x = 29,593.13 × 12,012.86
  4. Step 4: Simplify right side
    21,444.30x = 355,498,127.65
  5. Step 5: Solve for x
    x = 355,498,127.65/21,444.30
  6. Step 6: Final answer
    x = 16,577.74

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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.