Home / 13,230.38-19,845.56-5,934.38

Finding the Fourth Proportional to 13,230.38, 19,845.56 and 5,934.38

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Solution

The fourth proportional to 13,230.38, 19,845.56 and 5,934.38 is: 8,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.38 : 19,845.56 = 5,934.38 : x
  2. Step 2: Convert to fraction form
    13,230.38/19,845.56 = 5,934.38/x
  3. Step 3: Cross multiply
    13,230.38x = 19,845.56 × 5,934.38
  4. Step 4: Simplify right side
    13,230.38x = 117,771,009.96
  5. Step 5: Solve for x
    x = 117,771,009.96/13,230.38
  6. Step 6: Final answer
    x = 8,901.56

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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.