Home / 22,064.32-30,449.36-11,993.45

Finding the Fourth Proportional to 22,064.32, 30,449.36 and 11,993.45

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Solution

The fourth proportional to 22,064.32, 30,449.36 and 11,993.45 is: 16,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.32 : 30,449.36 = 11,993.45 : x
  2. Step 2: Convert to fraction form
    22,064.32/30,449.36 = 11,993.45/x
  3. Step 3: Cross multiply
    22,064.32x = 30,449.36 × 11,993.45
  4. Step 4: Simplify right side
    22,064.32x = 365,192,756.70
  5. Step 5: Solve for x
    x = 365,192,756.70/22,064.32
  6. Step 6: Final answer
    x = 16,551.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.