Home / 14,047.38-21,087.36-8,208.18

Finding the Fourth Proportional to 14,047.38, 21,087.36 and 8,208.18

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Solution

The fourth proportional to 14,047.38, 21,087.36 and 8,208.18 is: 12,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.38 : 21,087.36 = 8,208.18 : x
  2. Step 2: Convert to fraction form
    14,047.38/21,087.36 = 8,208.18/x
  3. Step 3: Cross multiply
    14,047.38x = 21,087.36 × 8,208.18
  4. Step 4: Simplify right side
    14,047.38x = 173,088,846.60
  5. Step 5: Solve for x
    x = 173,088,846.60/14,047.38
  6. Step 6: Final answer
    x = 12,321.79

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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.