Home / 10,204.12-15,291.78-4,358.68

Finding the Fourth Proportional to 10,204.12, 15,291.78 and 4,358.68

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Solution

The fourth proportional to 10,204.12, 15,291.78 and 4,358.68 is: 6,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.12 : 15,291.78 = 4,358.68 : x
  2. Step 2: Convert to fraction form
    10,204.12/15,291.78 = 4,358.68/x
  3. Step 3: Cross multiply
    10,204.12x = 15,291.78 × 4,358.68
  4. Step 4: Simplify right side
    10,204.12x = 66,651,975.65
  5. Step 5: Solve for x
    x = 66,651,975.65/10,204.12
  6. Step 6: Final answer
    x = 6,531.87

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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.