Home / 20,091.69-30,127.95-8,998.47

Finding the Fourth Proportional to 20,091.69, 30,127.95 and 8,998.47

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Solution

The fourth proportional to 20,091.69, 30,127.95 and 8,998.47 is: 13,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.69 : 30,127.95 = 8,998.47 : x
  2. Step 2: Convert to fraction form
    20,091.69/30,127.95 = 8,998.47/x
  3. Step 3: Cross multiply
    20,091.69x = 30,127.95 × 8,998.47
  4. Step 4: Simplify right side
    20,091.69x = 271,105,454.24
  5. Step 5: Solve for x
    x = 271,105,454.24/20,091.69
  6. Step 6: Final answer
    x = 13,493.41

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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.