Home / 21,400.53-32,107.26-6,408.14

Finding the Fourth Proportional to 21,400.53, 32,107.26 and 6,408.14

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Solution

The fourth proportional to 21,400.53, 32,107.26 and 6,408.14 is: 9,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.53 : 32,107.26 = 6,408.14 : x
  2. Step 2: Convert to fraction form
    21,400.53/32,107.26 = 6,408.14/x
  3. Step 3: Cross multiply
    21,400.53x = 32,107.26 × 6,408.14
  4. Step 4: Simplify right side
    21,400.53x = 205,747,752.87
  5. Step 5: Solve for x
    x = 205,747,752.87/21,400.53
  6. Step 6: Final answer
    x = 9,614.14

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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.