Home / 15,740.76-21,719.94-8,933.73

Finding the Fourth Proportional to 15,740.76, 21,719.94 and 8,933.73

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Solution

The fourth proportional to 15,740.76, 21,719.94 and 8,933.73 is: 12,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.76 : 21,719.94 = 8,933.73 : x
  2. Step 2: Convert to fraction form
    15,740.76/21,719.94 = 8,933.73/x
  3. Step 3: Cross multiply
    15,740.76x = 21,719.94 × 8,933.73
  4. Step 4: Simplify right side
    15,740.76x = 194,040,079.58
  5. Step 5: Solve for x
    x = 194,040,079.58/15,740.76
  6. Step 6: Final answer
    x = 12,327.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.