Home / 23,120.85-34,660.46-8,319.36

Finding the Fourth Proportional to 23,120.85, 34,660.46 and 8,319.36

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Solution

The fourth proportional to 23,120.85, 34,660.46 and 8,319.36 is: 12,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.85 : 34,660.46 = 8,319.36 : x
  2. Step 2: Convert to fraction form
    23,120.85/34,660.46 = 8,319.36/x
  3. Step 3: Cross multiply
    23,120.85x = 34,660.46 × 8,319.36
  4. Step 4: Simplify right side
    23,120.85x = 288,352,834.11
  5. Step 5: Solve for x
    x = 288,352,834.11/23,120.85
  6. Step 6: Final answer
    x = 12,471.55

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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.