Home / 14,540.68-21,792.42-12,658.84

Finding the Fourth Proportional to 14,540.68, 21,792.42 and 12,658.84

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Solution

The fourth proportional to 14,540.68, 21,792.42 and 12,658.84 is: 18,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.68 : 21,792.42 = 12,658.84 : x
  2. Step 2: Convert to fraction form
    14,540.68/21,792.42 = 12,658.84/x
  3. Step 3: Cross multiply
    14,540.68x = 21,792.42 × 12,658.84
  4. Step 4: Simplify right side
    14,540.68x = 275,866,649.03
  5. Step 5: Solve for x
    x = 275,866,649.03/14,540.68
  6. Step 6: Final answer
    x = 18,972.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.