Home / 18,112.02-27,164.92-4,785.16

Finding the Fourth Proportional to 18,112.02, 27,164.92 and 4,785.16

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Solution

The fourth proportional to 18,112.02, 27,164.92 and 4,785.16 is: 7,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.02 : 27,164.92 = 4,785.16 : x
  2. Step 2: Convert to fraction form
    18,112.02/27,164.92 = 4,785.16/x
  3. Step 3: Cross multiply
    18,112.02x = 27,164.92 × 4,785.16
  4. Step 4: Simplify right side
    18,112.02x = 129,988,468.62
  5. Step 5: Solve for x
    x = 129,988,468.62/18,112.02
  6. Step 6: Final answer
    x = 7,176.92

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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.