Home / 19,645.38-29,468.21-5,605.38

Finding the Fourth Proportional to 19,645.38, 29,468.21 and 5,605.38

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Solution

The fourth proportional to 19,645.38, 29,468.21 and 5,605.38 is: 8,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.38 : 29,468.21 = 5,605.38 : x
  2. Step 2: Convert to fraction form
    19,645.38/29,468.21 = 5,605.38/x
  3. Step 3: Cross multiply
    19,645.38x = 29,468.21 × 5,605.38
  4. Step 4: Simplify right side
    19,645.38x = 165,180,486.94
  5. Step 5: Solve for x
    x = 165,180,486.94/19,645.38
  6. Step 6: Final answer
    x = 8,408.11

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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.