Home / 10,256.28-15,391.92-6,567.54

Finding the Fourth Proportional to 10,256.28, 15,391.92 and 6,567.54

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Solution

The fourth proportional to 10,256.28, 15,391.92 and 6,567.54 is: 9,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.28 : 15,391.92 = 6,567.54 : x
  2. Step 2: Convert to fraction form
    10,256.28/15,391.92 = 6,567.54/x
  3. Step 3: Cross multiply
    10,256.28x = 15,391.92 × 6,567.54
  4. Step 4: Simplify right side
    10,256.28x = 101,087,050.28
  5. Step 5: Solve for x
    x = 101,087,050.28/10,256.28
  6. Step 6: Final answer
    x = 9,856.11

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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.