Home / 18,236.13-25,168.23-10,280.85

Finding the Fourth Proportional to 18,236.13, 25,168.23 and 10,280.85

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Solution

The fourth proportional to 18,236.13, 25,168.23 and 10,280.85 is: 14,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.13 : 25,168.23 = 10,280.85 : x
  2. Step 2: Convert to fraction form
    18,236.13/25,168.23 = 10,280.85/x
  3. Step 3: Cross multiply
    18,236.13x = 25,168.23 × 10,280.85
  4. Step 4: Simplify right side
    18,236.13x = 258,750,797.40
  5. Step 5: Solve for x
    x = 258,750,797.40/18,236.13
  6. Step 6: Final answer
    x = 14,188.91

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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.