Home / 14,458.10-21,719.55-13,867.70

Finding the Fourth Proportional to 14,458.10, 21,719.55 and 13,867.70

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Solution

The fourth proportional to 14,458.10, 21,719.55 and 13,867.70 is: 20,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.10 : 21,719.55 = 13,867.70 : x
  2. Step 2: Convert to fraction form
    14,458.10/21,719.55 = 13,867.70/x
  3. Step 3: Cross multiply
    14,458.10x = 21,719.55 × 13,867.70
  4. Step 4: Simplify right side
    14,458.10x = 301,200,203.54
  5. Step 5: Solve for x
    x = 301,200,203.54/14,458.10
  6. Step 6: Final answer
    x = 20,832.63

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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.