Home / 14,905.13-22,357.59-3,811.79

Finding the Fourth Proportional to 14,905.13, 22,357.59 and 3,811.79

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Solution

The fourth proportional to 14,905.13, 22,357.59 and 3,811.79 is: 5,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.13 : 22,357.59 = 3,811.79 : x
  2. Step 2: Convert to fraction form
    14,905.13/22,357.59 = 3,811.79/x
  3. Step 3: Cross multiply
    14,905.13x = 22,357.59 × 3,811.79
  4. Step 4: Simplify right side
    14,905.13x = 85,222,326.20
  5. Step 5: Solve for x
    x = 85,222,326.20/14,905.13
  6. Step 6: Final answer
    x = 5,717.65

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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.