Home / 10,287.82-15,423.09-4,136.14

Finding the Fourth Proportional to 10,287.82, 15,423.09 and 4,136.14

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Solution

The fourth proportional to 10,287.82, 15,423.09 and 4,136.14 is: 6,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.82 : 15,423.09 = 4,136.14 : x
  2. Step 2: Convert to fraction form
    10,287.82/15,423.09 = 4,136.14/x
  3. Step 3: Cross multiply
    10,287.82x = 15,423.09 × 4,136.14
  4. Step 4: Simplify right side
    10,287.82x = 63,792,059.47
  5. Step 5: Solve for x
    x = 63,792,059.47/10,287.82
  6. Step 6: Final answer
    x = 6,200.74

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1.5x scale

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.