Home / 18,317.08-27,475.56-7,217.76

Finding the Fourth Proportional to 18,317.08, 27,475.56 and 7,217.76

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Solution

The fourth proportional to 18,317.08, 27,475.56 and 7,217.76 is: 10,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.08 : 27,475.56 = 7,217.76 : x
  2. Step 2: Convert to fraction form
    18,317.08/27,475.56 = 7,217.76/x
  3. Step 3: Cross multiply
    18,317.08x = 27,475.56 × 7,217.76
  4. Step 4: Simplify right side
    18,317.08x = 198,311,997.95
  5. Step 5: Solve for x
    x = 198,311,997.95/18,317.08
  6. Step 6: Final answer
    x = 10,826.62

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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.