Home / 15,406.52-23,109.84-3,719.72

Finding the Fourth Proportional to 15,406.52, 23,109.84 and 3,719.72

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Solution

The fourth proportional to 15,406.52, 23,109.84 and 3,719.72 is: 5,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.52 : 23,109.84 = 3,719.72 : x
  2. Step 2: Convert to fraction form
    15,406.52/23,109.84 = 3,719.72/x
  3. Step 3: Cross multiply
    15,406.52x = 23,109.84 × 3,719.72
  4. Step 4: Simplify right side
    15,406.52x = 85,962,134.04
  5. Step 5: Solve for x
    x = 85,962,134.04/15,406.52
  6. Step 6: Final answer
    x = 5,579.59

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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.