Home / 14,223.40-21,351.30-8,383.30

Finding the Fourth Proportional to 14,223.40, 21,351.30 and 8,383.30

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Solution

The fourth proportional to 14,223.40, 21,351.30 and 8,383.30 is: 12,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.40 : 21,351.30 = 8,383.30 : x
  2. Step 2: Convert to fraction form
    14,223.40/21,351.30 = 8,383.30/x
  3. Step 3: Cross multiply
    14,223.40x = 21,351.30 × 8,383.30
  4. Step 4: Simplify right side
    14,223.40x = 178,994,353.29
  5. Step 5: Solve for x
    x = 178,994,353.29/14,223.40
  6. Step 6: Final answer
    x = 12,584.50

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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.