Home / 18,189.46-25,101.29-10,231.74

Finding the Fourth Proportional to 18,189.46, 25,101.29 and 10,231.74

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Solution

The fourth proportional to 18,189.46, 25,101.29 and 10,231.74 is: 14,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.46 : 25,101.29 = 10,231.74 : x
  2. Step 2: Convert to fraction form
    18,189.46/25,101.29 = 10,231.74/x
  3. Step 3: Cross multiply
    18,189.46x = 25,101.29 × 10,231.74
  4. Step 4: Simplify right side
    18,189.46x = 256,829,969.12
  5. Step 5: Solve for x
    x = 256,829,969.12/18,189.46
  6. Step 6: Final answer
    x = 14,119.71

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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.