Home / 18,235.60-25,171.32-11,342.16

Finding the Fourth Proportional to 18,235.60, 25,171.32 and 11,342.16

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Solution

The fourth proportional to 18,235.60, 25,171.32 and 11,342.16 is: 15,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.60 : 25,171.32 = 11,342.16 : x
  2. Step 2: Convert to fraction form
    18,235.60/25,171.32 = 11,342.16/x
  3. Step 3: Cross multiply
    18,235.60x = 25,171.32 × 11,342.16
  4. Step 4: Simplify right side
    18,235.60x = 285,497,138.85
  5. Step 5: Solve for x
    x = 285,497,138.85/18,235.60
  6. Step 6: Final answer
    x = 15,656.03

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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.