Home / 11,350.13-15,665.33-6,382.13

Finding the Fourth Proportional to 11,350.13, 15,665.33 and 6,382.13

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Solution

The fourth proportional to 11,350.13, 15,665.33 and 6,382.13 is: 8,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.13 : 15,665.33 = 6,382.13 : x
  2. Step 2: Convert to fraction form
    11,350.13/15,665.33 = 6,382.13/x
  3. Step 3: Cross multiply
    11,350.13x = 15,665.33 × 6,382.13
  4. Step 4: Simplify right side
    11,350.13x = 99,978,110.18
  5. Step 5: Solve for x
    x = 99,978,110.18/11,350.13
  6. Step 6: Final answer
    x = 8,808.55

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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.