Home / 11,639.52-16,068.24-7,932.96

Finding the Fourth Proportional to 11,639.52, 16,068.24 and 7,932.96

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Solution

The fourth proportional to 11,639.52, 16,068.24 and 7,932.96 is: 10,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.52 : 16,068.24 = 7,932.96 : x
  2. Step 2: Convert to fraction form
    11,639.52/16,068.24 = 7,932.96/x
  3. Step 3: Cross multiply
    11,639.52x = 16,068.24 × 7,932.96
  4. Step 4: Simplify right side
    11,639.52x = 127,468,705.19
  5. Step 5: Solve for x
    x = 127,468,705.19/11,639.52
  6. Step 6: Final answer
    x = 10,951.37

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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.