Home / 10,302.12-15,456.06-3,381.48

Finding the Fourth Proportional to 10,302.12, 15,456.06 and 3,381.48

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Solution

The fourth proportional to 10,302.12, 15,456.06 and 3,381.48 is: 5,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.12 : 15,456.06 = 3,381.48 : x
  2. Step 2: Convert to fraction form
    10,302.12/15,456.06 = 3,381.48/x
  3. Step 3: Cross multiply
    10,302.12x = 15,456.06 × 3,381.48
  4. Step 4: Simplify right side
    10,302.12x = 52,264,357.77
  5. Step 5: Solve for x
    x = 52,264,357.77/10,302.12
  6. Step 6: Final answer
    x = 5,073.17

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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.