Home / 13,677.54-20,511.45-4,314.75

Finding the Fourth Proportional to 13,677.54, 20,511.45 and 4,314.75

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Solution

The fourth proportional to 13,677.54, 20,511.45 and 4,314.75 is: 6,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.54 : 20,511.45 = 4,314.75 : x
  2. Step 2: Convert to fraction form
    13,677.54/20,511.45 = 4,314.75/x
  3. Step 3: Cross multiply
    13,677.54x = 20,511.45 × 4,314.75
  4. Step 4: Simplify right side
    13,677.54x = 88,501,778.89
  5. Step 5: Solve for x
    x = 88,501,778.89/13,677.54
  6. Step 6: Final answer
    x = 6,470.59

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1.5x scale

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.