Home / 23,220.87-34,845.12-8,430.95

Finding the Fourth Proportional to 23,220.87, 34,845.12 and 8,430.95

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Solution

The fourth proportional to 23,220.87, 34,845.12 and 8,430.95 is: 12,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.87 : 34,845.12 = 8,430.95 : x
  2. Step 2: Convert to fraction form
    23,220.87/34,845.12 = 8,430.95/x
  3. Step 3: Cross multiply
    23,220.87x = 34,845.12 × 8,430.95
  4. Step 4: Simplify right side
    23,220.87x = 293,777,290.24
  5. Step 5: Solve for x
    x = 293,777,290.24/23,220.87
  6. Step 6: Final answer
    x = 12,651.43

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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.