Home / 15,845.49-23,791.59-8,839.19

Finding the Fourth Proportional to 15,845.49, 23,791.59 and 8,839.19

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Solution

The fourth proportional to 15,845.49, 23,791.59 and 8,839.19 is: 13,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.49 : 23,791.59 = 8,839.19 : x
  2. Step 2: Convert to fraction form
    15,845.49/23,791.59 = 8,839.19/x
  3. Step 3: Cross multiply
    15,845.49x = 23,791.59 × 8,839.19
  4. Step 4: Simplify right side
    15,845.49x = 210,298,443.89
  5. Step 5: Solve for x
    x = 210,298,443.89/15,845.49
  6. Step 6: Final answer
    x = 13,271.82

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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.