Home / 14,760.96-20,332.80-13,793.28

Finding the Fourth Proportional to 14,760.96, 20,332.80 and 13,793.28

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Solution

The fourth proportional to 14,760.96, 20,332.80 and 13,793.28 is: 18,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.96 : 20,332.80 = 13,793.28 : x
  2. Step 2: Convert to fraction form
    14,760.96/20,332.80 = 13,793.28/x
  3. Step 3: Cross multiply
    14,760.96x = 20,332.80 × 13,793.28
  4. Step 4: Simplify right side
    14,760.96x = 280,456,003.58
  5. Step 5: Solve for x
    x = 280,456,003.58/14,760.96
  6. Step 6: Final answer
    x = 18,999.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.