Home / 9,418.94-14,119.76-4,221.98

Finding the Fourth Proportional to 9,418.94, 14,119.76 and 4,221.98

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Solution

The fourth proportional to 9,418.94, 14,119.76 and 4,221.98 is: 6,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.94 : 14,119.76 = 4,221.98 : x
  2. Step 2: Convert to fraction form
    9,418.94/14,119.76 = 4,221.98/x
  3. Step 3: Cross multiply
    9,418.94x = 14,119.76 × 4,221.98
  4. Step 4: Simplify right side
    9,418.94x = 59,613,344.32
  5. Step 5: Solve for x
    x = 59,613,344.32/9,418.94
  6. Step 6: Final answer
    x = 6,329.09

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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.