Home / 18,158.80-25,061.88-10,201.72

Finding the Fourth Proportional to 18,158.80, 25,061.88 and 10,201.72

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Solution

The fourth proportional to 18,158.80, 25,061.88 and 10,201.72 is: 14,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.80 : 25,061.88 = 10,201.72 : x
  2. Step 2: Convert to fraction form
    18,158.80/25,061.88 = 10,201.72/x
  3. Step 3: Cross multiply
    18,158.80x = 25,061.88 × 10,201.72
  4. Step 4: Simplify right side
    18,158.80x = 255,674,282.43
  5. Step 5: Solve for x
    x = 255,674,282.43/18,158.80
  6. Step 6: Final answer
    x = 14,079.91

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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.