Home / 22,375.36-30,879.93-12,305.76

Finding the Fourth Proportional to 22,375.36, 30,879.93 and 12,305.76

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Solution

The fourth proportional to 22,375.36, 30,879.93 and 12,305.76 is: 16,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.36 : 30,879.93 = 12,305.76 : x
  2. Step 2: Convert to fraction form
    22,375.36/30,879.93 = 12,305.76/x
  3. Step 3: Cross multiply
    22,375.36x = 30,879.93 × 12,305.76
  4. Step 4: Simplify right side
    22,375.36x = 380,001,007.40
  5. Step 5: Solve for x
    x = 380,001,007.40/22,375.36
  6. Step 6: Final answer
    x = 16,983.01

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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.