Home / 10,270.50-15,406.13-2,874.76

Finding the Fourth Proportional to 10,270.50, 15,406.13 and 2,874.76

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Solution

The fourth proportional to 10,270.50, 15,406.13 and 2,874.76 is: 4,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.50 : 15,406.13 = 2,874.76 : x
  2. Step 2: Convert to fraction form
    10,270.50/15,406.13 = 2,874.76/x
  3. Step 3: Cross multiply
    10,270.50x = 15,406.13 × 2,874.76
  4. Step 4: Simplify right side
    10,270.50x = 44,288,964.79
  5. Step 5: Solve for x
    x = 44,288,964.79/10,270.50
  6. Step 6: Final answer
    x = 4,312.25

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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.