Home / 11,424.59-17,136.96-7,479.17

Finding the Fourth Proportional to 11,424.59, 17,136.96 and 7,479.17

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Solution

The fourth proportional to 11,424.59, 17,136.96 and 7,479.17 is: 11,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.59 : 17,136.96 = 7,479.17 : x
  2. Step 2: Convert to fraction form
    11,424.59/17,136.96 = 7,479.17/x
  3. Step 3: Cross multiply
    11,424.59x = 17,136.96 × 7,479.17
  4. Step 4: Simplify right side
    11,424.59x = 128,170,151.44
  5. Step 5: Solve for x
    x = 128,170,151.44/11,424.59
  6. Step 6: Final answer
    x = 11,218.79

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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.