Home / 18,001.14-26,977.08-11,431.92

Finding the Fourth Proportional to 18,001.14, 26,977.08 and 11,431.92

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Solution

The fourth proportional to 18,001.14, 26,977.08 and 11,431.92 is: 17,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.14 : 26,977.08 = 11,431.92 : x
  2. Step 2: Convert to fraction form
    18,001.14/26,977.08 = 11,431.92/x
  3. Step 3: Cross multiply
    18,001.14x = 26,977.08 × 11,431.92
  4. Step 4: Simplify right side
    18,001.14x = 308,399,820.39
  5. Step 5: Solve for x
    x = 308,399,820.39/18,001.14
  6. Step 6: Final answer
    x = 17,132.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.