Home / 10,381.25-15,572.75-3,267.12

Finding the Fourth Proportional to 10,381.25, 15,572.75 and 3,267.12

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Solution

The fourth proportional to 10,381.25, 15,572.75 and 3,267.12 is: 4,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.25 : 15,572.75 = 3,267.12 : x
  2. Step 2: Convert to fraction form
    10,381.25/15,572.75 = 3,267.12/x
  3. Step 3: Cross multiply
    10,381.25x = 15,572.75 × 3,267.12
  4. Step 4: Simplify right side
    10,381.25x = 50,878,042.98
  5. Step 5: Solve for x
    x = 50,878,042.98/10,381.25
  6. Step 6: Final answer
    x = 4,900.96

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1.5x scale

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.