Home / 20,252.61-30,352.41-10,881.68

Finding the Fourth Proportional to 20,252.61, 30,352.41 and 10,881.68

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Solution

The fourth proportional to 20,252.61, 30,352.41 and 10,881.68 is: 16,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.61 : 30,352.41 = 10,881.68 : x
  2. Step 2: Convert to fraction form
    20,252.61/30,352.41 = 10,881.68/x
  3. Step 3: Cross multiply
    20,252.61x = 30,352.41 × 10,881.68
  4. Step 4: Simplify right side
    20,252.61x = 330,285,061.09
  5. Step 5: Solve for x
    x = 330,285,061.09/20,252.61
  6. Step 6: Final answer
    x = 16,308.27

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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.