Home / 10,411.27-15,613.49-3,389.64

Finding the Fourth Proportional to 10,411.27, 15,613.49 and 3,389.64

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Solution

The fourth proportional to 10,411.27, 15,613.49 and 3,389.64 is: 5,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.27 : 15,613.49 = 3,389.64 : x
  2. Step 2: Convert to fraction form
    10,411.27/15,613.49 = 3,389.64/x
  3. Step 3: Cross multiply
    10,411.27x = 15,613.49 × 3,389.64
  4. Step 4: Simplify right side
    10,411.27x = 52,924,110.24
  5. Step 5: Solve for x
    x = 52,924,110.24/10,411.27
  6. Step 6: Final answer
    x = 5,083.35

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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.