Home / 12,470.82-18,709.20-6,626.16

Finding the Fourth Proportional to 12,470.82, 18,709.20 and 6,626.16

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Solution

The fourth proportional to 12,470.82, 18,709.20 and 6,626.16 is: 9,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.82 : 18,709.20 = 6,626.16 : x
  2. Step 2: Convert to fraction form
    12,470.82/18,709.20 = 6,626.16/x
  3. Step 3: Cross multiply
    12,470.82x = 18,709.20 × 6,626.16
  4. Step 4: Simplify right side
    12,470.82x = 123,970,152.67
  5. Step 5: Solve for x
    x = 123,970,152.67/12,470.82
  6. Step 6: Final answer
    x = 9,940.82

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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.