Home / 13,536.96-20,305.40-4,769.76

Finding the Fourth Proportional to 13,536.96, 20,305.40 and 4,769.76

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Solution

The fourth proportional to 13,536.96, 20,305.40 and 4,769.76 is: 7,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.96 : 20,305.40 = 4,769.76 : x
  2. Step 2: Convert to fraction form
    13,536.96/20,305.40 = 4,769.76/x
  3. Step 3: Cross multiply
    13,536.96x = 20,305.40 × 4,769.76
  4. Step 4: Simplify right side
    13,536.96x = 96,851,884.70
  5. Step 5: Solve for x
    x = 96,851,884.70/13,536.96
  6. Step 6: Final answer
    x = 7,154.63

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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.