Home / 14,350.15-21,519.15-4,486.78

Finding the Fourth Proportional to 14,350.15, 21,519.15 and 4,486.78

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Solution

The fourth proportional to 14,350.15, 21,519.15 and 4,486.78 is: 6,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.15 : 21,519.15 = 4,486.78 : x
  2. Step 2: Convert to fraction form
    14,350.15/21,519.15 = 4,486.78/x
  3. Step 3: Cross multiply
    14,350.15x = 21,519.15 × 4,486.78
  4. Step 4: Simplify right side
    14,350.15x = 96,551,691.84
  5. Step 5: Solve for x
    x = 96,551,691.84/14,350.15
  6. Step 6: Final answer
    x = 6,728.27

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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.