Home / 15,156.58-22,740.33-7,764.52

Finding the Fourth Proportional to 15,156.58, 22,740.33 and 7,764.52

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Solution

The fourth proportional to 15,156.58, 22,740.33 and 7,764.52 is: 11,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.58 : 22,740.33 = 7,764.52 : x
  2. Step 2: Convert to fraction form
    15,156.58/22,740.33 = 7,764.52/x
  3. Step 3: Cross multiply
    15,156.58x = 22,740.33 × 7,764.52
  4. Step 4: Simplify right side
    15,156.58x = 176,567,747.09
  5. Step 5: Solve for x
    x = 176,567,747.09/15,156.58
  6. Step 6: Final answer
    x = 11,649.58

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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.