Home / 18,240.06-25,158.48-11,169.96

Finding the Fourth Proportional to 18,240.06, 25,158.48 and 11,169.96

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Solution

The fourth proportional to 18,240.06, 25,158.48 and 11,169.96 is: 15,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.06 : 25,158.48 = 11,169.96 : x
  2. Step 2: Convert to fraction form
    18,240.06/25,158.48 = 11,169.96/x
  3. Step 3: Cross multiply
    18,240.06x = 25,158.48 × 11,169.96
  4. Step 4: Simplify right side
    18,240.06x = 281,019,215.26
  5. Step 5: Solve for x
    x = 281,019,215.26/18,240.06
  6. Step 6: Final answer
    x = 15,406.70

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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.