Home / 20,071.05-30,090.12-7,583.97

Finding the Fourth Proportional to 20,071.05, 30,090.12 and 7,583.97

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Solution

The fourth proportional to 20,071.05, 30,090.12 and 7,583.97 is: 11,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.05 : 30,090.12 = 7,583.97 : x
  2. Step 2: Convert to fraction form
    20,071.05/30,090.12 = 7,583.97/x
  3. Step 3: Cross multiply
    20,071.05x = 30,090.12 × 7,583.97
  4. Step 4: Simplify right side
    20,071.05x = 228,202,567.38
  5. Step 5: Solve for x
    x = 228,202,567.38/20,071.05
  6. Step 6: Final answer
    x = 11,369.74

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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.