Home / 22,045.38-30,419.73-13,551.90

Finding the Fourth Proportional to 22,045.38, 30,419.73 and 13,551.90

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Solution

The fourth proportional to 22,045.38, 30,419.73 and 13,551.90 is: 18,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.38 : 30,419.73 = 13,551.90 : x
  2. Step 2: Convert to fraction form
    22,045.38/30,419.73 = 13,551.90/x
  3. Step 3: Cross multiply
    22,045.38x = 30,419.73 × 13,551.90
  4. Step 4: Simplify right side
    22,045.38x = 412,245,138.99
  5. Step 5: Solve for x
    x = 412,245,138.99/22,045.38
  6. Step 6: Final answer
    x = 18,699.84

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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.