Home / 17,580.28-26,379.12-8,220.96

Finding the Fourth Proportional to 17,580.28, 26,379.12 and 8,220.96

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Solution

The fourth proportional to 17,580.28, 26,379.12 and 8,220.96 is: 12,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.28 : 26,379.12 = 8,220.96 : x
  2. Step 2: Convert to fraction form
    17,580.28/26,379.12 = 8,220.96/x
  3. Step 3: Cross multiply
    17,580.28x = 26,379.12 × 8,220.96
  4. Step 4: Simplify right side
    17,580.28x = 216,861,690.36
  5. Step 5: Solve for x
    x = 216,861,690.36/17,580.28
  6. Step 6: Final answer
    x = 12,335.51

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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.