Home / 10,251.54-15,377.85-3,325.50

Finding the Fourth Proportional to 10,251.54, 15,377.85 and 3,325.50

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Solution

The fourth proportional to 10,251.54, 15,377.85 and 3,325.50 is: 4,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.54 : 15,377.85 = 3,325.50 : x
  2. Step 2: Convert to fraction form
    10,251.54/15,377.85 = 3,325.50/x
  3. Step 3: Cross multiply
    10,251.54x = 15,377.85 × 3,325.50
  4. Step 4: Simplify right side
    10,251.54x = 51,139,040.18
  5. Step 5: Solve for x
    x = 51,139,040.18/10,251.54
  6. Step 6: Final answer
    x = 4,988.43

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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.