Home / 23,211.09-34,816.57-8,419.95

Finding the Fourth Proportional to 23,211.09, 34,816.57 and 8,419.95

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Solution

The fourth proportional to 23,211.09, 34,816.57 and 8,419.95 is: 12,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.09 : 34,816.57 = 8,419.95 : x
  2. Step 2: Convert to fraction form
    23,211.09/34,816.57 = 8,419.95/x
  3. Step 3: Cross multiply
    23,211.09x = 34,816.57 × 8,419.95
  4. Step 4: Simplify right side
    23,211.09x = 293,153,757.52
  5. Step 5: Solve for x
    x = 293,153,757.52/23,211.09
  6. Step 6: Final answer
    x = 12,629.90

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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.