Home / 16,259.12-22,351.45-13,982.11

Finding the Fourth Proportional to 16,259.12, 22,351.45 and 13,982.11

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Solution

The fourth proportional to 16,259.12, 22,351.45 and 13,982.11 is: 19,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.12 : 22,351.45 = 13,982.11 : x
  2. Step 2: Convert to fraction form
    16,259.12/22,351.45 = 13,982.11/x
  3. Step 3: Cross multiply
    16,259.12x = 22,351.45 × 13,982.11
  4. Step 4: Simplify right side
    16,259.12x = 312,520,432.56
  5. Step 5: Solve for x
    x = 312,520,432.56/16,259.12
  6. Step 6: Final answer
    x = 19,221.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.