Home / 22,118.91-30,502.78-14,555.84

Finding the Fourth Proportional to 22,118.91, 30,502.78 and 14,555.84

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Solution

The fourth proportional to 22,118.91, 30,502.78 and 14,555.84 is: 20,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.91 : 30,502.78 = 14,555.84 : x
  2. Step 2: Convert to fraction form
    22,118.91/30,502.78 = 14,555.84/x
  3. Step 3: Cross multiply
    22,118.91x = 30,502.78 × 14,555.84
  4. Step 4: Simplify right side
    22,118.91x = 443,993,396.33
  5. Step 5: Solve for x
    x = 443,993,396.33/22,118.91
  6. Step 6: Final answer
    x = 20,073.03

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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.