Home / 16,145.39-22,279.94-8,975.29

Finding the Fourth Proportional to 16,145.39, 22,279.94 and 8,975.29

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Solution

The fourth proportional to 16,145.39, 22,279.94 and 8,975.29 is: 12,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.39 : 22,279.94 = 8,975.29 : x
  2. Step 2: Convert to fraction form
    16,145.39/22,279.94 = 8,975.29/x
  3. Step 3: Cross multiply
    16,145.39x = 22,279.94 × 8,975.29
  4. Step 4: Simplify right side
    16,145.39x = 199,968,855.76
  5. Step 5: Solve for x
    x = 199,968,855.76/16,145.39
  6. Step 6: Final answer
    x = 12,385.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.