Home / 9,414.88-12,989.30-6,585.45

Finding the Fourth Proportional to 9,414.88, 12,989.30 and 6,585.45

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Solution

The fourth proportional to 9,414.88, 12,989.30 and 6,585.45 is: 9,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.88 : 12,989.30 = 6,585.45 : x
  2. Step 2: Convert to fraction form
    9,414.88/12,989.30 = 6,585.45/x
  3. Step 3: Cross multiply
    9,414.88x = 12,989.30 × 6,585.45
  4. Step 4: Simplify right side
    9,414.88x = 85,540,404.90
  5. Step 5: Solve for x
    x = 85,540,404.90/9,414.88
  6. Step 6: Final answer
    x = 9,085.66

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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.