Home / 21,285.03-31,932.42-6,494.22

Finding the Fourth Proportional to 21,285.03, 31,932.42 and 6,494.22

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Solution

The fourth proportional to 21,285.03, 31,932.42 and 6,494.22 is: 9,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285.03 : 31,932.42 = 6,494.22 : x
  2. Step 2: Convert to fraction form
    21,285.03/31,932.42 = 6,494.22/x
  3. Step 3: Cross multiply
    21,285.03x = 31,932.42 × 6,494.22
  4. Step 4: Simplify right side
    21,285.03x = 207,376,160.61
  5. Step 5: Solve for x
    x = 207,376,160.61/21,285.03
  6. Step 6: Final answer
    x = 9,742.82

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1.5x scale

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.