Home / 22,621.59-31,217.85-12,550.96

Finding the Fourth Proportional to 22,621.59, 31,217.85 and 12,550.96

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Solution

The fourth proportional to 22,621.59, 31,217.85 and 12,550.96 is: 17,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.59 : 31,217.85 = 12,550.96 : x
  2. Step 2: Convert to fraction form
    22,621.59/31,217.85 = 12,550.96/x
  3. Step 3: Cross multiply
    22,621.59x = 31,217.85 × 12,550.96
  4. Step 4: Simplify right side
    22,621.59x = 391,813,986.64
  5. Step 5: Solve for x
    x = 391,813,986.64/22,621.59
  6. Step 6: Final answer
    x = 17,320.36

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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.