Home / 15,136.30-22,711.20-5,282.65

Finding the Fourth Proportional to 15,136.30, 22,711.20 and 5,282.65

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Solution

The fourth proportional to 15,136.30, 22,711.20 and 5,282.65 is: 7,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.30 : 22,711.20 = 5,282.65 : x
  2. Step 2: Convert to fraction form
    15,136.30/22,711.20 = 5,282.65/x
  3. Step 3: Cross multiply
    15,136.30x = 22,711.20 × 5,282.65
  4. Step 4: Simplify right side
    15,136.30x = 119,975,320.68
  5. Step 5: Solve for x
    x = 119,975,320.68/15,136.30
  6. Step 6: Final answer
    x = 7,926.33

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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.