Home / 17,988.55-26,986.50-6,309.97

Finding the Fourth Proportional to 17,988.55, 26,986.50 and 6,309.97

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Solution

The fourth proportional to 17,988.55, 26,986.50 and 6,309.97 is: 9,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.55 : 26,986.50 = 6,309.97 : x
  2. Step 2: Convert to fraction form
    17,988.55/26,986.50 = 6,309.97/x
  3. Step 3: Cross multiply
    17,988.55x = 26,986.50 × 6,309.97
  4. Step 4: Simplify right side
    17,988.55x = 170,283,937.94
  5. Step 5: Solve for x
    x = 170,283,937.94/17,988.55
  6. Step 6: Final answer
    x = 9,466.24

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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.