Home / 11,188.13-15,439.61-6,152.15

Finding the Fourth Proportional to 11,188.13, 15,439.61 and 6,152.15

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Solution

The fourth proportional to 11,188.13, 15,439.61 and 6,152.15 is: 8,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.13 : 15,439.61 = 6,152.15 : x
  2. Step 2: Convert to fraction form
    11,188.13/15,439.61 = 6,152.15/x
  3. Step 3: Cross multiply
    11,188.13x = 15,439.61 × 6,152.15
  4. Step 4: Simplify right side
    11,188.13x = 94,986,850.64
  5. Step 5: Solve for x
    x = 94,986,850.64/11,188.13
  6. Step 6: Final answer
    x = 8,489.97

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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.