Home / 10,079.31-15,113.78-4,527.89

Finding the Fourth Proportional to 10,079.31, 15,113.78 and 4,527.89

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Solution

The fourth proportional to 10,079.31, 15,113.78 and 4,527.89 is: 6,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.31 : 15,113.78 = 4,527.89 : x
  2. Step 2: Convert to fraction form
    10,079.31/15,113.78 = 4,527.89/x
  3. Step 3: Cross multiply
    10,079.31x = 15,113.78 × 4,527.89
  4. Step 4: Simplify right side
    10,079.31x = 68,433,472.90
  5. Step 5: Solve for x
    x = 68,433,472.90/10,079.31
  6. Step 6: Final answer
    x = 6,789.50

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1.5x scale

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.