Home / 10,073.11-15,108.45-2,678.14

Finding the Fourth Proportional to 10,073.11, 15,108.45 and 2,678.14

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Solution

The fourth proportional to 10,073.11, 15,108.45 and 2,678.14 is: 4,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.11 : 15,108.45 = 2,678.14 : x
  2. Step 2: Convert to fraction form
    10,073.11/15,108.45 = 2,678.14/x
  3. Step 3: Cross multiply
    10,073.11x = 15,108.45 × 2,678.14
  4. Step 4: Simplify right side
    10,073.11x = 40,462,544.28
  5. Step 5: Solve for x
    x = 40,462,544.28/10,073.11
  6. Step 6: Final answer
    x = 4,016.89

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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.