Home / 10,148.67-15,225.18-4,305.15

Finding the Fourth Proportional to 10,148.67, 15,225.18 and 4,305.15

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Solution

The fourth proportional to 10,148.67, 15,225.18 and 4,305.15 is: 6,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.67 : 15,225.18 = 4,305.15 : x
  2. Step 2: Convert to fraction form
    10,148.67/15,225.18 = 4,305.15/x
  3. Step 3: Cross multiply
    10,148.67x = 15,225.18 × 4,305.15
  4. Step 4: Simplify right side
    10,148.67x = 65,546,683.68
  5. Step 5: Solve for x
    x = 65,546,683.68/10,148.67
  6. Step 6: Final answer
    x = 6,458.65

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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.