Home / 22,015.92-30,381.72-11,944.32

Finding the Fourth Proportional to 22,015.92, 30,381.72 and 11,944.32

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Solution

The fourth proportional to 22,015.92, 30,381.72 and 11,944.32 is: 16,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.92 : 30,381.72 = 11,944.32 : x
  2. Step 2: Convert to fraction form
    22,015.92/30,381.72 = 11,944.32/x
  3. Step 3: Cross multiply
    22,015.92x = 30,381.72 × 11,944.32
  4. Step 4: Simplify right side
    22,015.92x = 362,888,985.83
  5. Step 5: Solve for x
    x = 362,888,985.83/22,015.92
  6. Step 6: Final answer
    x = 16,483.03

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Similar ratio
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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.