Home / 21,444.68-29,595.30-13,493.72

Finding the Fourth Proportional to 21,444.68, 29,595.30 and 13,493.72

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Solution

The fourth proportional to 21,444.68, 29,595.30 and 13,493.72 is: 18,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.68 : 29,595.30 = 13,493.72 : x
  2. Step 2: Convert to fraction form
    21,444.68/29,595.30 = 13,493.72/x
  3. Step 3: Cross multiply
    21,444.68x = 29,595.30 × 13,493.72
  4. Step 4: Simplify right side
    21,444.68x = 399,350,691.52
  5. Step 5: Solve for x
    x = 399,350,691.52/21,444.68
  6. Step 6: Final answer
    x = 18,622.37

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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.