Home / 13,877.68-20,819.56-4,017.36

Finding the Fourth Proportional to 13,877.68, 20,819.56 and 4,017.36

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Solution

The fourth proportional to 13,877.68, 20,819.56 and 4,017.36 is: 6,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.68 : 20,819.56 = 4,017.36 : x
  2. Step 2: Convert to fraction form
    13,877.68/20,819.56 = 4,017.36/x
  3. Step 3: Cross multiply
    13,877.68x = 20,819.56 × 4,017.36
  4. Step 4: Simplify right side
    13,877.68x = 83,639,667.56
  5. Step 5: Solve for x
    x = 83,639,667.56/13,877.68
  6. Step 6: Final answer
    x = 6,026.92

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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.