Home / 14,215.83-21,334.20-11,475.33

Finding the Fourth Proportional to 14,215.83, 21,334.20 and 11,475.33

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Solution

The fourth proportional to 14,215.83, 21,334.20 and 11,475.33 is: 17,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.83 : 21,334.20 = 11,475.33 : x
  2. Step 2: Convert to fraction form
    14,215.83/21,334.20 = 11,475.33/x
  3. Step 3: Cross multiply
    14,215.83x = 21,334.20 × 11,475.33
  4. Step 4: Simplify right side
    14,215.83x = 244,816,985.29
  5. Step 5: Solve for x
    x = 244,816,985.29/14,215.83
  6. Step 6: Final answer
    x = 17,221.43

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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.