Home / 18,228.68-25,155.57-9,845.18

Finding the Fourth Proportional to 18,228.68, 25,155.57 and 9,845.18

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Solution

The fourth proportional to 18,228.68, 25,155.57 and 9,845.18 is: 13,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.68 : 25,155.57 = 9,845.18 : x
  2. Step 2: Convert to fraction form
    18,228.68/25,155.57 = 9,845.18/x
  3. Step 3: Cross multiply
    18,228.68x = 25,155.57 × 9,845.18
  4. Step 4: Simplify right side
    18,228.68x = 247,661,064.75
  5. Step 5: Solve for x
    x = 247,661,064.75/18,228.68
  6. Step 6: Final answer
    x = 13,586.34

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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.