Home / 22,049.23-30,428.28-11,977.87

Finding the Fourth Proportional to 22,049.23, 30,428.28 and 11,977.87

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Solution

The fourth proportional to 22,049.23, 30,428.28 and 11,977.87 is: 16,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.23 : 30,428.28 = 11,977.87 : x
  2. Step 2: Convert to fraction form
    22,049.23/30,428.28 = 11,977.87/x
  3. Step 3: Cross multiply
    22,049.23x = 30,428.28 × 11,977.87
  4. Step 4: Simplify right side
    22,049.23x = 364,465,982.16
  5. Step 5: Solve for x
    x = 364,465,982.16/22,049.23
  6. Step 6: Final answer
    x = 16,529.65

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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.