Home / 18,156.57-25,054.89-10,198.65

Finding the Fourth Proportional to 18,156.57, 25,054.89 and 10,198.65

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Solution

The fourth proportional to 18,156.57, 25,054.89 and 10,198.65 is: 14,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.57 : 25,054.89 = 10,198.65 : x
  2. Step 2: Convert to fraction form
    18,156.57/25,054.89 = 10,198.65/x
  3. Step 3: Cross multiply
    18,156.57x = 25,054.89 × 10,198.65
  4. Step 4: Simplify right side
    18,156.57x = 255,526,053.90
  5. Step 5: Solve for x
    x = 255,526,053.90/18,156.57
  6. Step 6: Final answer
    x = 14,073.48

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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.