Home / 15,751.24-23,641.50-7,965.64

Finding the Fourth Proportional to 15,751.24, 23,641.50 and 7,965.64

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Solution

The fourth proportional to 15,751.24, 23,641.50 and 7,965.64 is: 11,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.24 : 23,641.50 = 7,965.64 : x
  2. Step 2: Convert to fraction form
    15,751.24/23,641.50 = 7,965.64/x
  3. Step 3: Cross multiply
    15,751.24x = 23,641.50 × 7,965.64
  4. Step 4: Simplify right side
    15,751.24x = 188,319,678.06
  5. Step 5: Solve for x
    x = 188,319,678.06/15,751.24
  6. Step 6: Final answer
    x = 11,955.86

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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.