Home / 20,013.77-30,004.45-8,335.73

Finding the Fourth Proportional to 20,013.77, 30,004.45 and 8,335.73

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Solution

The fourth proportional to 20,013.77, 30,004.45 and 8,335.73 is: 12,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.77 : 30,004.45 = 8,335.73 : x
  2. Step 2: Convert to fraction form
    20,013.77/30,004.45 = 8,335.73/x
  3. Step 3: Cross multiply
    20,013.77x = 30,004.45 × 8,335.73
  4. Step 4: Simplify right side
    20,013.77x = 250,108,802.30
  5. Step 5: Solve for x
    x = 250,108,802.30/20,013.77
  6. Step 6: Final answer
    x = 12,496.84

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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.