Home / 17,989.05-26,983.40-10,091.55

Finding the Fourth Proportional to 17,989.05, 26,983.40 and 10,091.55

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Solution

The fourth proportional to 17,989.05, 26,983.40 and 10,091.55 is: 15,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.05 : 26,983.40 = 10,091.55 : x
  2. Step 2: Convert to fraction form
    17,989.05/26,983.40 = 10,091.55/x
  3. Step 3: Cross multiply
    17,989.05x = 26,983.40 × 10,091.55
  4. Step 4: Simplify right side
    17,989.05x = 272,304,279.81
  5. Step 5: Solve for x
    x = 272,304,279.81/17,989.05
  6. Step 6: Final answer
    x = 15,137.22

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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.