Home / 9,162.25-12,636.11-7,042.92

Finding the Fourth Proportional to 9,162.25, 12,636.11 and 7,042.92

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Solution

The fourth proportional to 9,162.25, 12,636.11 and 7,042.92 is: 9,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.25 : 12,636.11 = 7,042.92 : x
  2. Step 2: Convert to fraction form
    9,162.25/12,636.11 = 7,042.92/x
  3. Step 3: Cross multiply
    9,162.25x = 12,636.11 × 7,042.92
  4. Step 4: Simplify right side
    9,162.25x = 88,995,111.84
  5. Step 5: Solve for x
    x = 88,995,111.84/9,162.25
  6. Step 6: Final answer
    x = 9,713.24

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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.