Home / 11,287.16-15,575.74-6,251.04

Finding the Fourth Proportional to 11,287.16, 15,575.74 and 6,251.04

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Solution

The fourth proportional to 11,287.16, 15,575.74 and 6,251.04 is: 8,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.16 : 15,575.74 = 6,251.04 : x
  2. Step 2: Convert to fraction form
    11,287.16/15,575.74 = 6,251.04/x
  3. Step 3: Cross multiply
    11,287.16x = 15,575.74 × 6,251.04
  4. Step 4: Simplify right side
    11,287.16x = 97,364,573.77
  5. Step 5: Solve for x
    x = 97,364,573.77/11,287.16
  6. Step 6: Final answer
    x = 8,626.14

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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.