Home / 13,414.49-18,510.76-7,962.62

Finding the Fourth Proportional to 13,414.49, 18,510.76 and 7,962.62

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Solution

The fourth proportional to 13,414.49, 18,510.76 and 7,962.62 is: 10,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.49 : 18,510.76 = 7,962.62 : x
  2. Step 2: Convert to fraction form
    13,414.49/18,510.76 = 7,962.62/x
  3. Step 3: Cross multiply
    13,414.49x = 18,510.76 × 7,962.62
  4. Step 4: Simplify right side
    13,414.49x = 147,394,147.79
  5. Step 5: Solve for x
    x = 147,394,147.79/13,414.49
  6. Step 6: Final answer
    x = 10,987.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.