Home / 18,136.06-27,192.85-6,287.04

Finding the Fourth Proportional to 18,136.06, 27,192.85 and 6,287.04

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Solution

The fourth proportional to 18,136.06, 27,192.85 and 6,287.04 is: 9,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.06 : 27,192.85 = 6,287.04 : x
  2. Step 2: Convert to fraction form
    18,136.06/27,192.85 = 6,287.04/x
  3. Step 3: Cross multiply
    18,136.06x = 27,192.85 × 6,287.04
  4. Step 4: Simplify right side
    18,136.06x = 170,962,519.95
  5. Step 5: Solve for x
    x = 170,962,519.95/18,136.06
  6. Step 6: Final answer
    x = 9,426.66

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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.