Home / 11,287.68-15,574.77-6,251.65

Finding the Fourth Proportional to 11,287.68, 15,574.77 and 6,251.65

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Solution

The fourth proportional to 11,287.68, 15,574.77 and 6,251.65 is: 8,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.68 : 15,574.77 = 6,251.65 : x
  2. Step 2: Convert to fraction form
    11,287.68/15,574.77 = 6,251.65/x
  3. Step 3: Cross multiply
    11,287.68x = 15,574.77 × 6,251.65
  4. Step 4: Simplify right side
    11,287.68x = 97,368,010.87
  5. Step 5: Solve for x
    x = 97,368,010.87/11,287.68
  6. Step 6: Final answer
    x = 8,626.04

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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.