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Finding the Fourth Proportional to 22,465.53, 33,698.29 and 10,620.49

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Solution

The fourth proportional to 22,465.53, 33,698.29 and 10,620.49 is: 15,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.53 : 33,698.29 = 10,620.49 : x
  2. Step 2: Convert to fraction form
    22,465.53/33,698.29 = 10,620.49/x
  3. Step 3: Cross multiply
    22,465.53x = 33,698.29 × 10,620.49
  4. Step 4: Simplify right side
    22,465.53x = 357,892,351.96
  5. Step 5: Solve for x
    x = 357,892,351.96/22,465.53
  6. Step 6: Final answer
    x = 15,930.73

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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.