Home / 13,265.30-19,894.85-3,902.82

Finding the Fourth Proportional to 13,265.30, 19,894.85 and 3,902.82

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Solution

The fourth proportional to 13,265.30, 19,894.85 and 3,902.82 is: 5,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.30 : 19,894.85 = 3,902.82 : x
  2. Step 2: Convert to fraction form
    13,265.30/19,894.85 = 3,902.82/x
  3. Step 3: Cross multiply
    13,265.30x = 19,894.85 × 3,902.82
  4. Step 4: Simplify right side
    13,265.30x = 77,645,938.99
  5. Step 5: Solve for x
    x = 77,645,938.99/13,265.30
  6. Step 6: Final answer
    x = 5,853.31

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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.