Home / 10,332.78-15,503.49-4,487.82

Finding the Fourth Proportional to 10,332.78, 15,503.49 and 4,487.82

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Solution

The fourth proportional to 10,332.78, 15,503.49 and 4,487.82 is: 6,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.78 : 15,503.49 = 4,487.82 : x
  2. Step 2: Convert to fraction form
    10,332.78/15,503.49 = 4,487.82/x
  3. Step 3: Cross multiply
    10,332.78x = 15,503.49 × 4,487.82
  4. Step 4: Simplify right side
    10,332.78x = 69,576,872.49
  5. Step 5: Solve for x
    x = 69,576,872.49/10,332.78
  6. Step 6: Final answer
    x = 6,733.61

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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.