Home / 20,617.68-30,929.55-7,466.97

Finding the Fourth Proportional to 20,617.68, 30,929.55 and 7,466.97

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Solution

The fourth proportional to 20,617.68, 30,929.55 and 7,466.97 is: 11,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.68 : 30,929.55 = 7,466.97 : x
  2. Step 2: Convert to fraction form
    20,617.68/30,929.55 = 7,466.97/x
  3. Step 3: Cross multiply
    20,617.68x = 30,929.55 × 7,466.97
  4. Step 4: Simplify right side
    20,617.68x = 230,949,984.63
  5. Step 5: Solve for x
    x = 230,949,984.63/20,617.68
  6. Step 6: Final answer
    x = 11,201.55

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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.