Home / 18,360.28-25,335.36-10,400.92

Finding the Fourth Proportional to 18,360.28, 25,335.36 and 10,400.92

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Solution

The fourth proportional to 18,360.28, 25,335.36 and 10,400.92 is: 14,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.28 : 25,335.36 = 10,400.92 : x
  2. Step 2: Convert to fraction form
    18,360.28/25,335.36 = 10,400.92/x
  3. Step 3: Cross multiply
    18,360.28x = 25,335.36 × 10,400.92
  4. Step 4: Simplify right side
    18,360.28x = 263,511,052.53
  5. Step 5: Solve for x
    x = 263,511,052.53/18,360.28
  6. Step 6: Final answer
    x = 14,352.23

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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.