Home / 17,988.11-26,963.97-7,443.56

Finding the Fourth Proportional to 17,988.11, 26,963.97 and 7,443.56

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Solution

The fourth proportional to 17,988.11, 26,963.97 and 7,443.56 is: 11,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.11 : 26,963.97 = 7,443.56 : x
  2. Step 2: Convert to fraction form
    17,988.11/26,963.97 = 7,443.56/x
  3. Step 3: Cross multiply
    17,988.11x = 26,963.97 × 7,443.56
  4. Step 4: Simplify right side
    17,988.11x = 200,707,928.53
  5. Step 5: Solve for x
    x = 200,707,928.53/17,988.11
  6. Step 6: Final answer
    x = 11,157.81

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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.