Home / 12,843.05-19,265.85-3,483.21

Finding the Fourth Proportional to 12,843.05, 19,265.85 and 3,483.21

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Solution

The fourth proportional to 12,843.05, 19,265.85 and 3,483.21 is: 5,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.05 : 19,265.85 = 3,483.21 : x
  2. Step 2: Convert to fraction form
    12,843.05/19,265.85 = 3,483.21/x
  3. Step 3: Cross multiply
    12,843.05x = 19,265.85 × 3,483.21
  4. Step 4: Simplify right side
    12,843.05x = 67,107,073.63
  5. Step 5: Solve for x
    x = 67,107,073.63/12,843.05
  6. Step 6: Final answer
    x = 5,225.17

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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.