Home / 14,163.40-21,208.65-11,247.40

Finding the Fourth Proportional to 14,163.40, 21,208.65 and 11,247.40

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Solution

The fourth proportional to 14,163.40, 21,208.65 and 11,247.40 is: 16,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.40 : 21,208.65 = 11,247.40 : x
  2. Step 2: Convert to fraction form
    14,163.40/21,208.65 = 11,247.40/x
  3. Step 3: Cross multiply
    14,163.40x = 21,208.65 × 11,247.40
  4. Step 4: Simplify right side
    14,163.40x = 238,542,170.01
  5. Step 5: Solve for x
    x = 238,542,170.01/14,163.40
  6. Step 6: Final answer
    x = 16,842.15

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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.