Home / 10,614.78-15,926.49-4,774.14

Finding the Fourth Proportional to 10,614.78, 15,926.49 and 4,774.14

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Solution

The fourth proportional to 10,614.78, 15,926.49 and 4,774.14 is: 7,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.78 : 15,926.49 = 4,774.14 : x
  2. Step 2: Convert to fraction form
    10,614.78/15,926.49 = 4,774.14/x
  3. Step 3: Cross multiply
    10,614.78x = 15,926.49 × 4,774.14
  4. Step 4: Simplify right side
    10,614.78x = 76,035,292.97
  5. Step 5: Solve for x
    x = 76,035,292.97/10,614.78
  6. Step 6: Final answer
    x = 7,163.15

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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.