Home / 18,158.98-25,061.72-10,201.21

Finding the Fourth Proportional to 18,158.98, 25,061.72 and 10,201.21

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Solution

The fourth proportional to 18,158.98, 25,061.72 and 10,201.21 is: 14,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.98 : 25,061.72 = 10,201.21 : x
  2. Step 2: Convert to fraction form
    18,158.98/25,061.72 = 10,201.21/x
  3. Step 3: Cross multiply
    18,158.98x = 25,061.72 × 10,201.21
  4. Step 4: Simplify right side
    18,158.98x = 255,659,743.37
  5. Step 5: Solve for x
    x = 255,659,743.37/18,158.98
  6. Step 6: Final answer
    x = 14,078.97

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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.