Home / 11,287.07-15,575.79-6,251.30

Finding the Fourth Proportional to 11,287.07, 15,575.79 and 6,251.30

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Solution

The fourth proportional to 11,287.07, 15,575.79 and 6,251.30 is: 8,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.07 : 15,575.79 = 6,251.30 : x
  2. Step 2: Convert to fraction form
    11,287.07/15,575.79 = 6,251.30/x
  3. Step 3: Cross multiply
    11,287.07x = 15,575.79 × 6,251.30
  4. Step 4: Simplify right side
    11,287.07x = 97,368,936.03
  5. Step 5: Solve for x
    x = 97,368,936.03/11,287.07
  6. Step 6: Final answer
    x = 8,626.59

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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.