Home / 11,432.52-15,776.73-6,396.66

Finding the Fourth Proportional to 11,432.52, 15,776.73 and 6,396.66

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Solution

The fourth proportional to 11,432.52, 15,776.73 and 6,396.66 is: 8,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.52 : 15,776.73 = 6,396.66 : x
  2. Step 2: Convert to fraction form
    11,432.52/15,776.73 = 6,396.66/x
  3. Step 3: Cross multiply
    11,432.52x = 15,776.73 × 6,396.66
  4. Step 4: Simplify right side
    11,432.52x = 100,918,377.72
  5. Step 5: Solve for x
    x = 100,918,377.72/11,432.52
  6. Step 6: Final answer
    x = 8,827.31

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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.