Home / 14,148.28-21,222.54-3,760.12

Finding the Fourth Proportional to 14,148.28, 21,222.54 and 3,760.12

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Solution

The fourth proportional to 14,148.28, 21,222.54 and 3,760.12 is: 5,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.28 : 21,222.54 = 3,760.12 : x
  2. Step 2: Convert to fraction form
    14,148.28/21,222.54 = 3,760.12/x
  3. Step 3: Cross multiply
    14,148.28x = 21,222.54 × 3,760.12
  4. Step 4: Simplify right side
    14,148.28x = 79,799,297.10
  5. Step 5: Solve for x
    x = 79,799,297.10/14,148.28
  6. Step 6: Final answer
    x = 5,640.21

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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.