Home / 16,851.51-25,279.49-5,755.21

Finding the Fourth Proportional to 16,851.51, 25,279.49 and 5,755.21

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Solution

The fourth proportional to 16,851.51, 25,279.49 and 5,755.21 is: 8,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.51 : 25,279.49 = 5,755.21 : x
  2. Step 2: Convert to fraction form
    16,851.51/25,279.49 = 5,755.21/x
  3. Step 3: Cross multiply
    16,851.51x = 25,279.49 × 5,755.21
  4. Step 4: Simplify right side
    16,851.51x = 145,488,724.83
  5. Step 5: Solve for x
    x = 145,488,724.83/16,851.51
  6. Step 6: Final answer
    x = 8,633.57

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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.