Home / 11,432.12-15,776.67-6,396.17

Finding the Fourth Proportional to 11,432.12, 15,776.67 and 6,396.17

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Solution

The fourth proportional to 11,432.12, 15,776.67 and 6,396.17 is: 8,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.12 : 15,776.67 = 6,396.17 : x
  2. Step 2: Convert to fraction form
    11,432.12/15,776.67 = 6,396.17/x
  3. Step 3: Cross multiply
    11,432.12x = 15,776.67 × 6,396.17
  4. Step 4: Simplify right side
    11,432.12x = 100,910,263.35
  5. Step 5: Solve for x
    x = 100,910,263.35/11,432.12
  6. Step 6: Final answer
    x = 8,826.91

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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.