Home / 13,500.72-20,256.96-4,741.92

Finding the Fourth Proportional to 13,500.72, 20,256.96 and 4,741.92

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Solution

The fourth proportional to 13,500.72, 20,256.96 and 4,741.92 is: 7,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.72 : 20,256.96 = 4,741.92 : x
  2. Step 2: Convert to fraction form
    13,500.72/20,256.96 = 4,741.92/x
  3. Step 3: Cross multiply
    13,500.72x = 20,256.96 × 4,741.92
  4. Step 4: Simplify right side
    13,500.72x = 96,056,883.76
  5. Step 5: Solve for x
    x = 96,056,883.76/13,500.72
  6. Step 6: Final answer
    x = 7,114.95

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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.