Home / 13,881.95-20,824.18-4,519.54

Finding the Fourth Proportional to 13,881.95, 20,824.18 and 4,519.54

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Solution

The fourth proportional to 13,881.95, 20,824.18 and 4,519.54 is: 6,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.95 : 20,824.18 = 4,519.54 : x
  2. Step 2: Convert to fraction form
    13,881.95/20,824.18 = 4,519.54/x
  3. Step 3: Cross multiply
    13,881.95x = 20,824.18 × 4,519.54
  4. Step 4: Simplify right side
    13,881.95x = 94,115,714.48
  5. Step 5: Solve for x
    x = 94,115,714.48/13,881.95
  6. Step 6: Final answer
    x = 6,779.72

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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.