Home / 11,387.64-17,087.22-5,152.08

Finding the Fourth Proportional to 11,387.64, 17,087.22 and 5,152.08

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Solution

The fourth proportional to 11,387.64, 17,087.22 and 5,152.08 is: 7,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.64 : 17,087.22 = 5,152.08 : x
  2. Step 2: Convert to fraction form
    11,387.64/17,087.22 = 5,152.08/x
  3. Step 3: Cross multiply
    11,387.64x = 17,087.22 × 5,152.08
  4. Step 4: Simplify right side
    11,387.64x = 88,034,724.42
  5. Step 5: Solve for x
    x = 88,034,724.42/11,387.64
  6. Step 6: Final answer
    x = 7,730.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.