Home / 18,228.29-25,155.03-9,844.79

Finding the Fourth Proportional to 18,228.29, 25,155.03 and 9,844.79

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Solution

The fourth proportional to 18,228.29, 25,155.03 and 9,844.79 is: 13,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.29 : 25,155.03 = 9,844.79 : x
  2. Step 2: Convert to fraction form
    18,228.29/25,155.03 = 9,844.79/x
  3. Step 3: Cross multiply
    18,228.29x = 25,155.03 × 9,844.79
  4. Step 4: Simplify right side
    18,228.29x = 247,645,862.02
  5. Step 5: Solve for x
    x = 247,645,862.02/18,228.29
  6. Step 6: Final answer
    x = 13,585.80

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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.