Home / 20,089.90-30,141.69-9,694.54

Finding the Fourth Proportional to 20,089.90, 30,141.69 and 9,694.54

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Solution

The fourth proportional to 20,089.90, 30,141.69 and 9,694.54 is: 14,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.90 : 30,141.69 = 9,694.54 : x
  2. Step 2: Convert to fraction form
    20,089.90/30,141.69 = 9,694.54/x
  3. Step 3: Cross multiply
    20,089.90x = 30,141.69 × 9,694.54
  4. Step 4: Simplify right side
    20,089.90x = 292,209,819.37
  5. Step 5: Solve for x
    x = 292,209,819.37/20,089.90
  6. Step 6: Final answer
    x = 14,545.11

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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.