Home / 20,801.24-31,214.14-10,941.28

Finding the Fourth Proportional to 20,801.24, 31,214.14 and 10,941.28

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Solution

The fourth proportional to 20,801.24, 31,214.14 and 10,941.28 is: 16,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.24 : 31,214.14 = 10,941.28 : x
  2. Step 2: Convert to fraction form
    20,801.24/31,214.14 = 10,941.28/x
  3. Step 3: Cross multiply
    20,801.24x = 31,214.14 × 10,941.28
  4. Step 4: Simplify right side
    20,801.24x = 341,522,645.70
  5. Step 5: Solve for x
    x = 341,522,645.70/20,801.24
  6. Step 6: Final answer
    x = 16,418.38

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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.