Home / 18,523.56-27,789.66-5,376.18

Finding the Fourth Proportional to 18,523.56, 27,789.66 and 5,376.18

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Solution

The fourth proportional to 18,523.56, 27,789.66 and 5,376.18 is: 8,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.56 : 27,789.66 = 5,376.18 : x
  2. Step 2: Convert to fraction form
    18,523.56/27,789.66 = 5,376.18/x
  3. Step 3: Cross multiply
    18,523.56x = 27,789.66 × 5,376.18
  4. Step 4: Simplify right side
    18,523.56x = 149,402,214.30
  5. Step 5: Solve for x
    x = 149,402,214.30/18,523.56
  6. Step 6: Final answer
    x = 8,065.52

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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.