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Finding the Fourth Proportional to 20,602.73, 30,904.10 and 7,452.03

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Solution

The fourth proportional to 20,602.73, 30,904.10 and 7,452.03 is: 11,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.73 : 30,904.10 = 7,452.03 : x
  2. Step 2: Convert to fraction form
    20,602.73/30,904.10 = 7,452.03/x
  3. Step 3: Cross multiply
    20,602.73x = 30,904.10 × 7,452.03
  4. Step 4: Simplify right side
    20,602.73x = 230,298,280.32
  5. Step 5: Solve for x
    x = 230,298,280.32/20,602.73
  6. Step 6: Final answer
    x = 11,178.05

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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.