Home / 14,049.28-21,076.80-4,188.16

Finding the Fourth Proportional to 14,049.28, 21,076.80 and 4,188.16

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Solution

The fourth proportional to 14,049.28, 21,076.80 and 4,188.16 is: 6,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.28 : 21,076.80 = 4,188.16 : x
  2. Step 2: Convert to fraction form
    14,049.28/21,076.80 = 4,188.16/x
  3. Step 3: Cross multiply
    14,049.28x = 21,076.80 × 4,188.16
  4. Step 4: Simplify right side
    14,049.28x = 88,273,010.69
  5. Step 5: Solve for x
    x = 88,273,010.69/14,049.28
  6. Step 6: Final answer
    x = 6,283.10

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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.