Home / 18,277.56-27,405.36-6,424.80

Finding the Fourth Proportional to 18,277.56, 27,405.36 and 6,424.80

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Solution

The fourth proportional to 18,277.56, 27,405.36 and 6,424.80 is: 9,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.56 : 27,405.36 = 6,424.80 : x
  2. Step 2: Convert to fraction form
    18,277.56/27,405.36 = 6,424.80/x
  3. Step 3: Cross multiply
    18,277.56x = 27,405.36 × 6,424.80
  4. Step 4: Simplify right side
    18,277.56x = 176,073,956.93
  5. Step 5: Solve for x
    x = 176,073,956.93/18,277.56
  6. Step 6: Final answer
    x = 9,633.34

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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.