Home / 9,146.95-12,622.10-5,168.43

Finding the Fourth Proportional to 9,146.95, 12,622.10 and 5,168.43

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Solution

The fourth proportional to 9,146.95, 12,622.10 and 5,168.43 is: 7,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.95 : 12,622.10 = 5,168.43 : x
  2. Step 2: Convert to fraction form
    9,146.95/12,622.10 = 5,168.43/x
  3. Step 3: Cross multiply
    9,146.95x = 12,622.10 × 5,168.43
  4. Step 4: Simplify right side
    9,146.95x = 65,236,414.46
  5. Step 5: Solve for x
    x = 65,236,414.46/9,146.95
  6. Step 6: Final answer
    x = 7,132.04

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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.