Home / 10,062.39-13,891.10-6,287.65

Finding the Fourth Proportional to 10,062.39, 13,891.10 and 6,287.65

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Solution

The fourth proportional to 10,062.39, 13,891.10 and 6,287.65 is: 8,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.39 : 13,891.10 = 6,287.65 : x
  2. Step 2: Convert to fraction form
    10,062.39/13,891.10 = 6,287.65/x
  3. Step 3: Cross multiply
    10,062.39x = 13,891.10 × 6,287.65
  4. Step 4: Simplify right side
    10,062.39x = 87,342,308.75
  5. Step 5: Solve for x
    x = 87,342,308.75/10,062.39
  6. Step 6: Final answer
    x = 8,680.08

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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.