Home / 18,227.61-27,340.50-7,136.33

Finding the Fourth Proportional to 18,227.61, 27,340.50 and 7,136.33

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Solution

The fourth proportional to 18,227.61, 27,340.50 and 7,136.33 is: 10,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.61 : 27,340.50 = 7,136.33 : x
  2. Step 2: Convert to fraction form
    18,227.61/27,340.50 = 7,136.33/x
  3. Step 3: Cross multiply
    18,227.61x = 27,340.50 × 7,136.33
  4. Step 4: Simplify right side
    18,227.61x = 195,110,925.48
  5. Step 5: Solve for x
    x = 195,110,925.48/18,227.61
  6. Step 6: Final answer
    x = 10,704.14

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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.