Home / 22,424.45-30,945.74-12,998.48

Finding the Fourth Proportional to 22,424.45, 30,945.74 and 12,998.48

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Solution

The fourth proportional to 22,424.45, 30,945.74 and 12,998.48 is: 17,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.45 : 30,945.74 = 12,998.48 : x
  2. Step 2: Convert to fraction form
    22,424.45/30,945.74 = 12,998.48/x
  3. Step 3: Cross multiply
    22,424.45x = 30,945.74 × 12,998.48
  4. Step 4: Simplify right side
    22,424.45x = 402,247,362.75
  5. Step 5: Solve for x
    x = 402,247,362.75/22,424.45
  6. Step 6: Final answer
    x = 17,937.90

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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.