Home / 14,400.88-21,603.12-5,634.66

Finding the Fourth Proportional to 14,400.88, 21,603.12 and 5,634.66

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Solution

The fourth proportional to 14,400.88, 21,603.12 and 5,634.66 is: 8,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.88 : 21,603.12 = 5,634.66 : x
  2. Step 2: Convert to fraction form
    14,400.88/21,603.12 = 5,634.66/x
  3. Step 3: Cross multiply
    14,400.88x = 21,603.12 × 5,634.66
  4. Step 4: Simplify right side
    14,400.88x = 121,726,236.14
  5. Step 5: Solve for x
    x = 121,726,236.14/14,400.88
  6. Step 6: Final answer
    x = 8,452.69

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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.