Home / 20,297.12-30,449.61-6,254.69

Finding the Fourth Proportional to 20,297.12, 30,449.61 and 6,254.69

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Solution

The fourth proportional to 20,297.12, 30,449.61 and 6,254.69 is: 9,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.12 : 30,449.61 = 6,254.69 : x
  2. Step 2: Convert to fraction form
    20,297.12/30,449.61 = 6,254.69/x
  3. Step 3: Cross multiply
    20,297.12x = 30,449.61 × 6,254.69
  4. Step 4: Simplify right side
    20,297.12x = 190,452,718.92
  5. Step 5: Solve for x
    x = 190,452,718.92/20,297.12
  6. Step 6: Final answer
    x = 9,383.24

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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.