Home / 11,327.04-15,632.46-6,611.76

Finding the Fourth Proportional to 11,327.04, 15,632.46 and 6,611.76

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Solution

The fourth proportional to 11,327.04, 15,632.46 and 6,611.76 is: 9,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.04 : 15,632.46 = 6,611.76 : x
  2. Step 2: Convert to fraction form
    11,327.04/15,632.46 = 6,611.76/x
  3. Step 3: Cross multiply
    11,327.04x = 15,632.46 × 6,611.76
  4. Step 4: Simplify right side
    11,327.04x = 103,358,073.73
  5. Step 5: Solve for x
    x = 103,358,073.73/11,327.04
  6. Step 6: Final answer
    x = 9,124.90

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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.