Home / 11,287.19-15,575.32-6,251.32

Finding the Fourth Proportional to 11,287.19, 15,575.32 and 6,251.32

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Solution

The fourth proportional to 11,287.19, 15,575.32 and 6,251.32 is: 8,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.19 : 15,575.32 = 6,251.32 : x
  2. Step 2: Convert to fraction form
    11,287.19/15,575.32 = 6,251.32/x
  3. Step 3: Cross multiply
    11,287.19x = 15,575.32 × 6,251.32
  4. Step 4: Simplify right side
    11,287.19x = 97,366,309.42
  5. Step 5: Solve for x
    x = 97,366,309.42/11,287.19
  6. Step 6: Final answer
    x = 8,626.26

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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.