Home / 10,409.04-15,613.43-3,389.31

Finding the Fourth Proportional to 10,409.04, 15,613.43 and 3,389.31

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Solution

The fourth proportional to 10,409.04, 15,613.43 and 3,389.31 is: 5,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.04 : 15,613.43 = 3,389.31 : x
  2. Step 2: Convert to fraction form
    10,409.04/15,613.43 = 3,389.31/x
  3. Step 3: Cross multiply
    10,409.04x = 15,613.43 × 3,389.31
  4. Step 4: Simplify right side
    10,409.04x = 52,918,737.49
  5. Step 5: Solve for x
    x = 52,918,737.49/10,409.04
  6. Step 6: Final answer
    x = 5,083.92

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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.