Home / 21,052.04-31,587.78-9,372.92

Finding the Fourth Proportional to 21,052.04, 31,587.78 and 9,372.92

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Solution

The fourth proportional to 21,052.04, 31,587.78 and 9,372.92 is: 14,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.04 : 31,587.78 = 9,372.92 : x
  2. Step 2: Convert to fraction form
    21,052.04/31,587.78 = 9,372.92/x
  3. Step 3: Cross multiply
    21,052.04x = 31,587.78 × 9,372.92
  4. Step 4: Simplify right side
    21,052.04x = 296,069,734.92
  5. Step 5: Solve for x
    x = 296,069,734.92/21,052.04
  6. Step 6: Final answer
    x = 14,063.71

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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.