Home / 22,613.87-31,178.46-16,161.22

Finding the Fourth Proportional to 22,613.87, 31,178.46 and 16,161.22

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Solution

The fourth proportional to 22,613.87, 31,178.46 and 16,161.22 is: 22,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.87 : 31,178.46 = 16,161.22 : x
  2. Step 2: Convert to fraction form
    22,613.87/31,178.46 = 16,161.22/x
  3. Step 3: Cross multiply
    22,613.87x = 31,178.46 × 16,161.22
  4. Step 4: Simplify right side
    22,613.87x = 503,881,795.43
  5. Step 5: Solve for x
    x = 503,881,795.43/22,613.87
  6. Step 6: Final answer
    x = 22,281.98

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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.