Home / 9,225.18-12,726.87-6,432.30

Finding the Fourth Proportional to 9,225.18, 12,726.87 and 6,432.30

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Solution

The fourth proportional to 9,225.18, 12,726.87 and 6,432.30 is: 8,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.18 : 12,726.87 = 6,432.30 : x
  2. Step 2: Convert to fraction form
    9,225.18/12,726.87 = 6,432.30/x
  3. Step 3: Cross multiply
    9,225.18x = 12,726.87 × 6,432.30
  4. Step 4: Simplify right side
    9,225.18x = 81,863,045.90
  5. Step 5: Solve for x
    x = 81,863,045.90/9,225.18
  6. Step 6: Final answer
    x = 8,873.87

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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.