Home / 15,983.42-22,057.22-8,910.29

Finding the Fourth Proportional to 15,983.42, 22,057.22 and 8,910.29

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Solution

The fourth proportional to 15,983.42, 22,057.22 and 8,910.29 is: 12,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.42 : 22,057.22 = 8,910.29 : x
  2. Step 2: Convert to fraction form
    15,983.42/22,057.22 = 8,910.29/x
  3. Step 3: Cross multiply
    15,983.42x = 22,057.22 × 8,910.29
  4. Step 4: Simplify right side
    15,983.42x = 196,536,071.96
  5. Step 5: Solve for x
    x = 196,536,071.96/15,983.42
  6. Step 6: Final answer
    x = 12,296.25

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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.