Home / 18,136.06-27,197.91-6,287.07

Finding the Fourth Proportional to 18,136.06, 27,197.91 and 6,287.07

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Solution

The fourth proportional to 18,136.06, 27,197.91 and 6,287.07 is: 9,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.06 : 27,197.91 = 6,287.07 : x
  2. Step 2: Convert to fraction form
    18,136.06/27,197.91 = 6,287.07/x
  3. Step 3: Cross multiply
    18,136.06x = 27,197.91 × 6,287.07
  4. Step 4: Simplify right side
    18,136.06x = 170,995,164.02
  5. Step 5: Solve for x
    x = 170,995,164.02/18,136.06
  6. Step 6: Final answer
    x = 9,428.46

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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.