Home / 17,817.61-26,726.43-8,199.55

Finding the Fourth Proportional to 17,817.61, 26,726.43 and 8,199.55

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Solution

The fourth proportional to 17,817.61, 26,726.43 and 8,199.55 is: 12,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.61 : 26,726.43 = 8,199.55 : x
  2. Step 2: Convert to fraction form
    17,817.61/26,726.43 = 8,199.55/x
  3. Step 3: Cross multiply
    17,817.61x = 26,726.43 × 8,199.55
  4. Step 4: Simplify right side
    17,817.61x = 219,144,755.67
  5. Step 5: Solve for x
    x = 219,144,755.67/17,817.61
  6. Step 6: Final answer
    x = 12,299.34

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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.