Home / 20,272.58-30,411.78-6,233.79

Finding the Fourth Proportional to 20,272.58, 30,411.78 and 6,233.79

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Solution

The fourth proportional to 20,272.58, 30,411.78 and 6,233.79 is: 9,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.58 : 30,411.78 = 6,233.79 : x
  2. Step 2: Convert to fraction form
    20,272.58/30,411.78 = 6,233.79/x
  3. Step 3: Cross multiply
    20,272.58x = 30,411.78 × 6,233.79
  4. Step 4: Simplify right side
    20,272.58x = 189,580,574.02
  5. Step 5: Solve for x
    x = 189,580,574.02/20,272.58
  6. Step 6: Final answer
    x = 9,351.58

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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.