Home / 14,137.40-21,202.50-5,819.70

Finding the Fourth Proportional to 14,137.40, 21,202.50 and 5,819.70

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Solution

The fourth proportional to 14,137.40, 21,202.50 and 5,819.70 is: 8,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.40 : 21,202.50 = 5,819.70 : x
  2. Step 2: Convert to fraction form
    14,137.40/21,202.50 = 5,819.70/x
  3. Step 3: Cross multiply
    14,137.40x = 21,202.50 × 5,819.70
  4. Step 4: Simplify right side
    14,137.40x = 123,392,189.25
  5. Step 5: Solve for x
    x = 123,392,189.25/14,137.40
  6. Step 6: Final answer
    x = 8,728.07

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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.