Home / 14,148.37-21,222.53-3,760.12

Finding the Fourth Proportional to 14,148.37, 21,222.53 and 3,760.12

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Solution

The fourth proportional to 14,148.37, 21,222.53 and 3,760.12 is: 5,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.37 : 21,222.53 = 3,760.12 : x
  2. Step 2: Convert to fraction form
    14,148.37/21,222.53 = 3,760.12/x
  3. Step 3: Cross multiply
    14,148.37x = 21,222.53 × 3,760.12
  4. Step 4: Simplify right side
    14,148.37x = 79,799,134.59
  5. Step 5: Solve for x
    x = 79,799,134.59/14,148.37
  6. Step 6: Final answer
    x = 5,640.17

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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.