Home / 20,182.23-30,277.95-10,161.96

Finding the Fourth Proportional to 20,182.23, 30,277.95 and 10,161.96

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Solution

The fourth proportional to 20,182.23, 30,277.95 and 10,161.96 is: 15,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.23 : 30,277.95 = 10,161.96 : x
  2. Step 2: Convert to fraction form
    20,182.23/30,277.95 = 10,161.96/x
  3. Step 3: Cross multiply
    20,182.23x = 30,277.95 × 10,161.96
  4. Step 4: Simplify right side
    20,182.23x = 307,683,316.78
  5. Step 5: Solve for x
    x = 307,683,316.78/20,182.23
  6. Step 6: Final answer
    x = 15,245.26

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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.