Home / 15,010.57-22,497.40-8,422.92

Finding the Fourth Proportional to 15,010.57, 22,497.40 and 8,422.92

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Solution

The fourth proportional to 15,010.57, 22,497.40 and 8,422.92 is: 12,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.57 : 22,497.40 = 8,422.92 : x
  2. Step 2: Convert to fraction form
    15,010.57/22,497.40 = 8,422.92/x
  3. Step 3: Cross multiply
    15,010.57x = 22,497.40 × 8,422.92
  4. Step 4: Simplify right side
    15,010.57x = 189,493,800.41
  5. Step 5: Solve for x
    x = 189,493,800.41/15,010.57
  6. Step 6: Final answer
    x = 12,624.02

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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.