Home / 13,922.01-20,857.89-9,230.91

Finding the Fourth Proportional to 13,922.01, 20,857.89 and 9,230.91

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Solution

The fourth proportional to 13,922.01, 20,857.89 and 9,230.91 is: 13,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.01 : 20,857.89 = 9,230.91 : x
  2. Step 2: Convert to fraction form
    13,922.01/20,857.89 = 9,230.91/x
  3. Step 3: Cross multiply
    13,922.01x = 20,857.89 × 9,230.91
  4. Step 4: Simplify right side
    13,922.01x = 192,537,305.38
  5. Step 5: Solve for x
    x = 192,537,305.38/13,922.01
  6. Step 6: Final answer
    x = 13,829.71

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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.