Home / 17,984.56-26,977.10-6,891.81

Finding the Fourth Proportional to 17,984.56, 26,977.10 and 6,891.81

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Solution

The fourth proportional to 17,984.56, 26,977.10 and 6,891.81 is: 10,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.56 : 26,977.10 = 6,891.81 : x
  2. Step 2: Convert to fraction form
    17,984.56/26,977.10 = 6,891.81/x
  3. Step 3: Cross multiply
    17,984.56x = 26,977.10 × 6,891.81
  4. Step 4: Simplify right side
    17,984.56x = 185,921,047.55
  5. Step 5: Solve for x
    x = 185,921,047.55/17,984.56
  6. Step 6: Final answer
    x = 10,337.81

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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.