Home / 11,288.18-15,576.15-6,251.16

Finding the Fourth Proportional to 11,288.18, 15,576.15 and 6,251.16

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Solution

The fourth proportional to 11,288.18, 15,576.15 and 6,251.16 is: 8,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.18 : 15,576.15 = 6,251.16 : x
  2. Step 2: Convert to fraction form
    11,288.18/15,576.15 = 6,251.16/x
  3. Step 3: Cross multiply
    11,288.18x = 15,576.15 × 6,251.16
  4. Step 4: Simplify right side
    11,288.18x = 97,369,029.28
  5. Step 5: Solve for x
    x = 97,369,029.28/11,288.18
  6. Step 6: Final answer
    x = 8,625.75

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Half scale
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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.