Home / 17,489.66-26,219.90-8,712.50

Finding the Fourth Proportional to 17,489.66, 26,219.90 and 8,712.50

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Solution

The fourth proportional to 17,489.66, 26,219.90 and 8,712.50 is: 13,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.66 : 26,219.90 = 8,712.50 : x
  2. Step 2: Convert to fraction form
    17,489.66/26,219.90 = 8,712.50/x
  3. Step 3: Cross multiply
    17,489.66x = 26,219.90 × 8,712.50
  4. Step 4: Simplify right side
    17,489.66x = 228,440,769.43
  5. Step 5: Solve for x
    x = 228,440,769.43/17,489.66
  6. Step 6: Final answer
    x = 13,061.48

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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.