Home / 18,008.38-27,011.60-5,528.41

Finding the Fourth Proportional to 18,008.38, 27,011.60 and 5,528.41

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Solution

The fourth proportional to 18,008.38, 27,011.60 and 5,528.41 is: 8,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.38 : 27,011.60 = 5,528.41 : x
  2. Step 2: Convert to fraction form
    18,008.38/27,011.60 = 5,528.41/x
  3. Step 3: Cross multiply
    18,008.38x = 27,011.60 × 5,528.41
  4. Step 4: Simplify right side
    18,008.38x = 149,331,104.38
  5. Step 5: Solve for x
    x = 149,331,104.38/18,008.38
  6. Step 6: Final answer
    x = 8,292.31

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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.