Home / 20,141.34-30,228.20-10,283.22

Finding the Fourth Proportional to 20,141.34, 30,228.20 and 10,283.22

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Solution

The fourth proportional to 20,141.34, 30,228.20 and 10,283.22 is: 15,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.34 : 30,228.20 = 10,283.22 : x
  2. Step 2: Convert to fraction form
    20,141.34/30,228.20 = 10,283.22/x
  3. Step 3: Cross multiply
    20,141.34x = 30,228.20 × 10,283.22
  4. Step 4: Simplify right side
    20,141.34x = 310,843,230.80
  5. Step 5: Solve for x
    x = 310,843,230.80/20,141.34
  6. Step 6: Final answer
    x = 15,433.10

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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.