Home / 23,218.66-34,806.81-8,424.31

Finding the Fourth Proportional to 23,218.66, 34,806.81 and 8,424.31

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Solution

The fourth proportional to 23,218.66, 34,806.81 and 8,424.31 is: 12,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.66 : 34,806.81 = 8,424.31 : x
  2. Step 2: Convert to fraction form
    23,218.66/34,806.81 = 8,424.31/x
  3. Step 3: Cross multiply
    23,218.66x = 34,806.81 × 8,424.31
  4. Step 4: Simplify right side
    23,218.66x = 293,223,357.55
  5. Step 5: Solve for x
    x = 293,223,357.55/23,218.66
  6. Step 6: Final answer
    x = 12,628.78

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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.