Home / 10,576.32-15,870.86-4,339.28

Finding the Fourth Proportional to 10,576.32, 15,870.86 and 4,339.28

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Solution

The fourth proportional to 10,576.32, 15,870.86 and 4,339.28 is: 6,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.32 : 15,870.86 = 4,339.28 : x
  2. Step 2: Convert to fraction form
    10,576.32/15,870.86 = 4,339.28/x
  3. Step 3: Cross multiply
    10,576.32x = 15,870.86 × 4,339.28
  4. Step 4: Simplify right side
    10,576.32x = 68,868,105.38
  5. Step 5: Solve for x
    x = 68,868,105.38/10,576.32
  6. Step 6: Final answer
    x = 6,511.54

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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.