Home / 10,631.28-15,947.79-3,235.74

Finding the Fourth Proportional to 10,631.28, 15,947.79 and 3,235.74

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Solution

The fourth proportional to 10,631.28, 15,947.79 and 3,235.74 is: 4,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.28 : 15,947.79 = 3,235.74 : x
  2. Step 2: Convert to fraction form
    10,631.28/15,947.79 = 3,235.74/x
  3. Step 3: Cross multiply
    10,631.28x = 15,947.79 × 3,235.74
  4. Step 4: Simplify right side
    10,631.28x = 51,602,902.01
  5. Step 5: Solve for x
    x = 51,602,902.01/10,631.28
  6. Step 6: Final answer
    x = 4,853.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.