Home / 10,136.54-15,205.61-3,564.20

Finding the Fourth Proportional to 10,136.54, 15,205.61 and 3,564.20

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Solution

The fourth proportional to 10,136.54, 15,205.61 and 3,564.20 is: 5,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.54 : 15,205.61 = 3,564.20 : x
  2. Step 2: Convert to fraction form
    10,136.54/15,205.61 = 3,564.20/x
  3. Step 3: Cross multiply
    10,136.54x = 15,205.61 × 3,564.20
  4. Step 4: Simplify right side
    10,136.54x = 54,195,882.09
  5. Step 5: Solve for x
    x = 54,195,882.09/10,136.54
  6. Step 6: Final answer
    x = 5,346.58

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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.