Home / 18,143.97-25,041.26-10,186.73

Finding the Fourth Proportional to 18,143.97, 25,041.26 and 10,186.73

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Solution

The fourth proportional to 18,143.97, 25,041.26 and 10,186.73 is: 14,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.97 : 25,041.26 = 10,186.73 : x
  2. Step 2: Convert to fraction form
    18,143.97/25,041.26 = 10,186.73/x
  3. Step 3: Cross multiply
    18,143.97x = 25,041.26 × 10,186.73
  4. Step 4: Simplify right side
    18,143.97x = 255,088,642.55
  5. Step 5: Solve for x
    x = 255,088,642.55/18,143.97
  6. Step 6: Final answer
    x = 14,059.14

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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.