Home / 20,192.40-30,272.76-9,801.36

Finding the Fourth Proportional to 20,192.40, 30,272.76 and 9,801.36

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Solution

The fourth proportional to 20,192.40, 30,272.76 and 9,801.36 is: 14,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.40 : 30,272.76 = 9,801.36 : x
  2. Step 2: Convert to fraction form
    20,192.40/30,272.76 = 9,801.36/x
  3. Step 3: Cross multiply
    20,192.40x = 30,272.76 × 9,801.36
  4. Step 4: Simplify right side
    20,192.40x = 296,714,218.95
  5. Step 5: Solve for x
    x = 296,714,218.95/20,192.40
  6. Step 6: Final answer
    x = 14,694.35

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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.