Home / 18,951.32-26,147.76-18,203.96

Finding the Fourth Proportional to 18,951.32, 26,147.76 and 18,203.96

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Solution

The fourth proportional to 18,951.32, 26,147.76 and 18,203.96 is: 25,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.32 : 26,147.76 = 18,203.96 : x
  2. Step 2: Convert to fraction form
    18,951.32/26,147.76 = 18,203.96/x
  3. Step 3: Cross multiply
    18,951.32x = 26,147.76 × 18,203.96
  4. Step 4: Simplify right side
    18,951.32x = 475,992,777.13
  5. Step 5: Solve for x
    x = 475,992,777.13/18,951.32
  6. Step 6: Final answer
    x = 25,116.60

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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.