Home / 11,326.62-15,631.72-6,612.42

Finding the Fourth Proportional to 11,326.62, 15,631.72 and 6,612.42

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Solution

The fourth proportional to 11,326.62, 15,631.72 and 6,612.42 is: 9,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.62 : 15,631.72 = 6,612.42 : x
  2. Step 2: Convert to fraction form
    11,326.62/15,631.72 = 6,612.42/x
  3. Step 3: Cross multiply
    11,326.62x = 15,631.72 × 6,612.42
  4. Step 4: Simplify right side
    11,326.62x = 103,363,497.96
  5. Step 5: Solve for x
    x = 103,363,497.96/11,326.62
  6. Step 6: Final answer
    x = 9,125.71

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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.