Home / 16,020.82-22,108.62-8,947.24

Finding the Fourth Proportional to 16,020.82, 22,108.62 and 8,947.24

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Solution

The fourth proportional to 16,020.82, 22,108.62 and 8,947.24 is: 12,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.82 : 22,108.62 = 8,947.24 : x
  2. Step 2: Convert to fraction form
    16,020.82/22,108.62 = 8,947.24/x
  3. Step 3: Cross multiply
    16,020.82x = 22,108.62 × 8,947.24
  4. Step 4: Simplify right side
    16,020.82x = 197,811,129.21
  5. Step 5: Solve for x
    x = 197,811,129.21/16,020.82
  6. Step 6: Final answer
    x = 12,347.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.