Home / 9,427.68-14,122.39-4,422.49

Finding the Fourth Proportional to 9,427.68, 14,122.39 and 4,422.49

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Solution

The fourth proportional to 9,427.68, 14,122.39 and 4,422.49 is: 6,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.68 : 14,122.39 = 4,422.49 : x
  2. Step 2: Convert to fraction form
    9,427.68/14,122.39 = 4,422.49/x
  3. Step 3: Cross multiply
    9,427.68x = 14,122.39 × 4,422.49
  4. Step 4: Simplify right side
    9,427.68x = 62,456,128.55
  5. Step 5: Solve for x
    x = 62,456,128.55/9,427.68
  6. Step 6: Final answer
    x = 6,624.76

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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.