Home / 9,158.82-12,634.65-6,170.82

Finding the Fourth Proportional to 9,158.82, 12,634.65 and 6,170.82

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Solution

The fourth proportional to 9,158.82, 12,634.65 and 6,170.82 is: 8,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.82 : 12,634.65 = 6,170.82 : x
  2. Step 2: Convert to fraction form
    9,158.82/12,634.65 = 6,170.82/x
  3. Step 3: Cross multiply
    9,158.82x = 12,634.65 × 6,170.82
  4. Step 4: Simplify right side
    9,158.82x = 77,966,150.91
  5. Step 5: Solve for x
    x = 77,966,150.91/9,158.82
  6. Step 6: Final answer
    x = 8,512.69

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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.