Home / 13,517.89-20,277.90-4,754.77

Finding the Fourth Proportional to 13,517.89, 20,277.90 and 4,754.77

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Solution

The fourth proportional to 13,517.89, 20,277.90 and 4,754.77 is: 7,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.89 : 20,277.90 = 4,754.77 : x
  2. Step 2: Convert to fraction form
    13,517.89/20,277.90 = 4,754.77/x
  3. Step 3: Cross multiply
    13,517.89x = 20,277.90 × 4,754.77
  4. Step 4: Simplify right side
    13,517.89x = 96,416,750.58
  5. Step 5: Solve for x
    x = 96,416,750.58/13,517.89
  6. Step 6: Final answer
    x = 7,132.53

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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.