Home / 10,982.14-15,155.43-6,136.88

Finding the Fourth Proportional to 10,982.14, 15,155.43 and 6,136.88

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Solution

The fourth proportional to 10,982.14, 15,155.43 and 6,136.88 is: 8,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.14 : 15,155.43 = 6,136.88 : x
  2. Step 2: Convert to fraction form
    10,982.14/15,155.43 = 6,136.88/x
  3. Step 3: Cross multiply
    10,982.14x = 15,155.43 × 6,136.88
  4. Step 4: Simplify right side
    10,982.14x = 93,006,979.48
  5. Step 5: Solve for x
    x = 93,006,979.48/10,982.14
  6. Step 6: Final answer
    x = 8,468.93

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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.