Home / 10,422.40-15,633.76-3,496.96

Finding the Fourth Proportional to 10,422.40, 15,633.76 and 3,496.96

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Solution

The fourth proportional to 10,422.40, 15,633.76 and 3,496.96 is: 5,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.40 : 15,633.76 = 3,496.96 : x
  2. Step 2: Convert to fraction form
    10,422.40/15,633.76 = 3,496.96/x
  3. Step 3: Cross multiply
    10,422.40x = 15,633.76 × 3,496.96
  4. Step 4: Simplify right side
    10,422.40x = 54,670,633.37
  5. Step 5: Solve for x
    x = 54,670,633.37/10,422.40
  6. Step 6: Final answer
    x = 5,245.49

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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.