Home / 21,400.11-32,103.36-7,363.76

Finding the Fourth Proportional to 21,400.11, 32,103.36 and 7,363.76

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Solution

The fourth proportional to 21,400.11, 32,103.36 and 7,363.76 is: 11,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.11 : 32,103.36 = 7,363.76 : x
  2. Step 2: Convert to fraction form
    21,400.11/32,103.36 = 7,363.76/x
  3. Step 3: Cross multiply
    21,400.11x = 32,103.36 × 7,363.76
  4. Step 4: Simplify right side
    21,400.11x = 236,401,277.72
  5. Step 5: Solve for x
    x = 236,401,277.72/21,400.11
  6. Step 6: Final answer
    x = 11,046.73

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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.