Home / 14,305.38-19,742.58-7,932.60

Finding the Fourth Proportional to 14,305.38, 19,742.58 and 7,932.60

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Solution

The fourth proportional to 14,305.38, 19,742.58 and 7,932.60 is: 10,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.38 : 19,742.58 = 7,932.60 : x
  2. Step 2: Convert to fraction form
    14,305.38/19,742.58 = 7,932.60/x
  3. Step 3: Cross multiply
    14,305.38x = 19,742.58 × 7,932.60
  4. Step 4: Simplify right side
    14,305.38x = 156,609,990.11
  5. Step 5: Solve for x
    x = 156,609,990.11/14,305.38
  6. Step 6: Final answer
    x = 10,947.63

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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.