Home / 20,088.68-30,137.27-7,608.47

Finding the Fourth Proportional to 20,088.68, 30,137.27 and 7,608.47

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Solution

The fourth proportional to 20,088.68, 30,137.27 and 7,608.47 is: 11,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.68 : 30,137.27 = 7,608.47 : x
  2. Step 2: Convert to fraction form
    20,088.68/30,137.27 = 7,608.47/x
  3. Step 3: Cross multiply
    20,088.68x = 30,137.27 × 7,608.47
  4. Step 4: Simplify right side
    20,088.68x = 229,298,325.95
  5. Step 5: Solve for x
    x = 229,298,325.95/20,088.68
  6. Step 6: Final answer
    x = 11,414.31

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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.