Home / 14,144.37-21,211.08-4,781.88

Finding the Fourth Proportional to 14,144.37, 21,211.08 and 4,781.88

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Solution

The fourth proportional to 14,144.37, 21,211.08 and 4,781.88 is: 7,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.37 : 21,211.08 = 4,781.88 : x
  2. Step 2: Convert to fraction form
    14,144.37/21,211.08 = 4,781.88/x
  3. Step 3: Cross multiply
    14,144.37x = 21,211.08 × 4,781.88
  4. Step 4: Simplify right side
    14,144.37x = 101,428,839.23
  5. Step 5: Solve for x
    x = 101,428,839.23/14,144.37
  6. Step 6: Final answer
    x = 7,170.97

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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.