Home / 15,136.68-22,690.40-7,744.62

Finding the Fourth Proportional to 15,136.68, 22,690.40 and 7,744.62

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Solution

The fourth proportional to 15,136.68, 22,690.40 and 7,744.62 is: 11,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.68 : 22,690.40 = 7,744.62 : x
  2. Step 2: Convert to fraction form
    15,136.68/22,690.40 = 7,744.62/x
  3. Step 3: Cross multiply
    15,136.68x = 22,690.40 × 7,744.62
  4. Step 4: Simplify right side
    15,136.68x = 175,728,525.65
  5. Step 5: Solve for x
    x = 175,728,525.65/15,136.68
  6. Step 6: Final answer
    x = 11,609.45

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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.