Home / 9,382.92-12,930.27-7,141.25

Finding the Fourth Proportional to 9,382.92, 12,930.27 and 7,141.25

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Solution

The fourth proportional to 9,382.92, 12,930.27 and 7,141.25 is: 9,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.92 : 12,930.27 = 7,141.25 : x
  2. Step 2: Convert to fraction form
    9,382.92/12,930.27 = 7,141.25/x
  3. Step 3: Cross multiply
    9,382.92x = 12,930.27 × 7,141.25
  4. Step 4: Simplify right side
    9,382.92x = 92,338,225.99
  5. Step 5: Solve for x
    x = 92,338,225.99/9,382.92
  6. Step 6: Final answer
    x = 9,841.10

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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.