Home / 15,766.45-23,655.98-6,407.18

Finding the Fourth Proportional to 15,766.45, 23,655.98 and 6,407.18

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Solution

The fourth proportional to 15,766.45, 23,655.98 and 6,407.18 is: 9,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.45 : 23,655.98 = 6,407.18 : x
  2. Step 2: Convert to fraction form
    15,766.45/23,655.98 = 6,407.18/x
  3. Step 3: Cross multiply
    15,766.45x = 23,655.98 × 6,407.18
  4. Step 4: Simplify right side
    15,766.45x = 151,568,241.45
  5. Step 5: Solve for x
    x = 151,568,241.45/15,766.45
  6. Step 6: Final answer
    x = 9,613.34

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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.