Home / 20,151.01-30,241.92-10,165.72

Finding the Fourth Proportional to 20,151.01, 30,241.92 and 10,165.72

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Solution

The fourth proportional to 20,151.01, 30,241.92 and 10,165.72 is: 15,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.01 : 30,241.92 = 10,165.72 : x
  2. Step 2: Convert to fraction form
    20,151.01/30,241.92 = 10,165.72/x
  3. Step 3: Cross multiply
    20,151.01x = 30,241.92 × 10,165.72
  4. Step 4: Simplify right side
    20,151.01x = 307,430,890.98
  5. Step 5: Solve for x
    x = 307,430,890.98/20,151.01
  6. Step 6: Final answer
    x = 15,256.35

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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.