Home / 14,203.03-21,304.68-3,814.78

Finding the Fourth Proportional to 14,203.03, 21,304.68 and 3,814.78

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Solution

The fourth proportional to 14,203.03, 21,304.68 and 3,814.78 is: 5,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.03 : 21,304.68 = 3,814.78 : x
  2. Step 2: Convert to fraction form
    14,203.03/21,304.68 = 3,814.78/x
  3. Step 3: Cross multiply
    14,203.03x = 21,304.68 × 3,814.78
  4. Step 4: Simplify right side
    14,203.03x = 81,272,667.17
  5. Step 5: Solve for x
    x = 81,272,667.17/14,203.03
  6. Step 6: Final answer
    x = 5,722.21

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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.