Home / 15,751.31-23,636.85-6,391.37

Finding the Fourth Proportional to 15,751.31, 23,636.85 and 6,391.37

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Solution

The fourth proportional to 15,751.31, 23,636.85 and 6,391.37 is: 9,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.31 : 23,636.85 = 6,391.37 : x
  2. Step 2: Convert to fraction form
    15,751.31/23,636.85 = 6,391.37/x
  3. Step 3: Cross multiply
    15,751.31x = 23,636.85 × 6,391.37
  4. Step 4: Simplify right side
    15,751.31x = 151,071,703.84
  5. Step 5: Solve for x
    x = 151,071,703.84/15,751.31
  6. Step 6: Final answer
    x = 9,591.06

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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.