Home / 18,246.92-25,180.35-10,289.43

Finding the Fourth Proportional to 18,246.92, 25,180.35 and 10,289.43

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Solution

The fourth proportional to 18,246.92, 25,180.35 and 10,289.43 is: 14,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.92 : 25,180.35 = 10,289.43 : x
  2. Step 2: Convert to fraction form
    18,246.92/25,180.35 = 10,289.43/x
  3. Step 3: Cross multiply
    18,246.92x = 25,180.35 × 10,289.43
  4. Step 4: Simplify right side
    18,246.92x = 259,091,322.80
  5. Step 5: Solve for x
    x = 259,091,322.80/18,246.92
  6. Step 6: Final answer
    x = 14,199.19

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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.