Home / 14,249.05-21,377.88-4,254.12

Finding the Fourth Proportional to 14,249.05, 21,377.88 and 4,254.12

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Solution

The fourth proportional to 14,249.05, 21,377.88 and 4,254.12 is: 6,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.05 : 21,377.88 = 4,254.12 : x
  2. Step 2: Convert to fraction form
    14,249.05/21,377.88 = 4,254.12/x
  3. Step 3: Cross multiply
    14,249.05x = 21,377.88 × 4,254.12
  4. Step 4: Simplify right side
    14,249.05x = 90,944,066.87
  5. Step 5: Solve for x
    x = 90,944,066.87/14,249.05
  6. Step 6: Final answer
    x = 6,382.47

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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.