Home / 20,072.00-30,089.36-7,414.76

Finding the Fourth Proportional to 20,072.00, 30,089.36 and 7,414.76

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Solution

The fourth proportional to 20,072.00, 30,089.36 and 7,414.76 is: 11,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.00 : 30,089.36 = 7,414.76 : x
  2. Step 2: Convert to fraction form
    20,072.00/30,089.36 = 7,414.76/x
  3. Step 3: Cross multiply
    20,072.00x = 30,089.36 × 7,414.76
  4. Step 4: Simplify right side
    20,072.00x = 223,105,476.71
  5. Step 5: Solve for x
    x = 223,105,476.71/20,072.00
  6. Step 6: Final answer
    x = 11,115.26

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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.