Home / 22,930.51-34,399.19-8,138.19

Finding the Fourth Proportional to 22,930.51, 34,399.19 and 8,138.19

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Solution

The fourth proportional to 22,930.51, 34,399.19 and 8,138.19 is: 12,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.51 : 34,399.19 = 8,138.19 : x
  2. Step 2: Convert to fraction form
    22,930.51/34,399.19 = 8,138.19/x
  3. Step 3: Cross multiply
    22,930.51x = 34,399.19 × 8,138.19
  4. Step 4: Simplify right side
    22,930.51x = 279,947,226.83
  5. Step 5: Solve for x
    x = 279,947,226.83/22,930.51
  6. Step 6: Final answer
    x = 12,208.50

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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.