Home / 23,218.70-34,806.65-8,424.05

Finding the Fourth Proportional to 23,218.70, 34,806.65 and 8,424.05

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Solution

The fourth proportional to 23,218.70, 34,806.65 and 8,424.05 is: 12,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.70 : 34,806.65 = 8,424.05 : x
  2. Step 2: Convert to fraction form
    23,218.70/34,806.65 = 8,424.05/x
  3. Step 3: Cross multiply
    23,218.70x = 34,806.65 × 8,424.05
  4. Step 4: Simplify right side
    23,218.70x = 293,212,743.78
  5. Step 5: Solve for x
    x = 293,212,743.78/23,218.70
  6. Step 6: Final answer
    x = 12,628.30

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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.