Home / 11,577.40-15,976.76-6,472.92

Finding the Fourth Proportional to 11,577.40, 15,976.76 and 6,472.92

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Solution

The fourth proportional to 11,577.40, 15,976.76 and 6,472.92 is: 8,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.40 : 15,976.76 = 6,472.92 : x
  2. Step 2: Convert to fraction form
    11,577.40/15,976.76 = 6,472.92/x
  3. Step 3: Cross multiply
    11,577.40x = 15,976.76 × 6,472.92
  4. Step 4: Simplify right side
    11,577.40x = 103,416,289.34
  5. Step 5: Solve for x
    x = 103,416,289.34/11,577.40
  6. Step 6: Final answer
    x = 8,932.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.