Home / 14,215.68-21,292.20-12,016.44

Finding the Fourth Proportional to 14,215.68, 21,292.20 and 12,016.44

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Solution

The fourth proportional to 14,215.68, 21,292.20 and 12,016.44 is: 17,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.68 : 21,292.20 = 12,016.44 : x
  2. Step 2: Convert to fraction form
    14,215.68/21,292.20 = 12,016.44/x
  3. Step 3: Cross multiply
    14,215.68x = 21,292.20 × 12,016.44
  4. Step 4: Simplify right side
    14,215.68x = 255,856,443.77
  5. Step 5: Solve for x
    x = 255,856,443.77/14,215.68
  6. Step 6: Final answer
    x = 17,998.19

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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.