Home / 20,424.11-30,621.74-7,933.73

Finding the Fourth Proportional to 20,424.11, 30,621.74 and 7,933.73

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Solution

The fourth proportional to 20,424.11, 30,621.74 and 7,933.73 is: 11,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424.11 : 30,621.74 = 7,933.73 : x
  2. Step 2: Convert to fraction form
    20,424.11/30,621.74 = 7,933.73/x
  3. Step 3: Cross multiply
    20,424.11x = 30,621.74 × 7,933.73
  4. Step 4: Simplify right side
    20,424.11x = 242,944,424.51
  5. Step 5: Solve for x
    x = 242,944,424.51/20,424.11
  6. Step 6: Final answer
    x = 11,894.99

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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.