Home / 13,953.12-20,932.20-4,593.66

Finding the Fourth Proportional to 13,953.12, 20,932.20 and 4,593.66

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Solution

The fourth proportional to 13,953.12, 20,932.20 and 4,593.66 is: 6,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.12 : 20,932.20 = 4,593.66 : x
  2. Step 2: Convert to fraction form
    13,953.12/20,932.20 = 4,593.66/x
  3. Step 3: Cross multiply
    13,953.12x = 20,932.20 × 4,593.66
  4. Step 4: Simplify right side
    13,953.12x = 96,155,409.85
  5. Step 5: Solve for x
    x = 96,155,409.85/13,953.12
  6. Step 6: Final answer
    x = 6,891.32

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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.