Home / 13,955.28-20,932.92-6,162.54

Finding the Fourth Proportional to 13,955.28, 20,932.92 and 6,162.54

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Solution

The fourth proportional to 13,955.28, 20,932.92 and 6,162.54 is: 9,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.28 : 20,932.92 = 6,162.54 : x
  2. Step 2: Convert to fraction form
    13,955.28/20,932.92 = 6,162.54/x
  3. Step 3: Cross multiply
    13,955.28x = 20,932.92 × 6,162.54
  4. Step 4: Simplify right side
    13,955.28x = 128,999,956.82
  5. Step 5: Solve for x
    x = 128,999,956.82/13,955.28
  6. Step 6: Final answer
    x = 9,243.81

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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.