Home / 18,022.64-27,036.53-5,543.70

Finding the Fourth Proportional to 18,022.64, 27,036.53 and 5,543.70

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Solution

The fourth proportional to 18,022.64, 27,036.53 and 5,543.70 is: 8,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.64 : 27,036.53 = 5,543.70 : x
  2. Step 2: Convert to fraction form
    18,022.64/27,036.53 = 5,543.70/x
  3. Step 3: Cross multiply
    18,022.64x = 27,036.53 × 5,543.70
  4. Step 4: Simplify right side
    18,022.64x = 149,882,383.64
  5. Step 5: Solve for x
    x = 149,882,383.64/18,022.64
  6. Step 6: Final answer
    x = 8,316.34

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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.