Home / 20,204.07-30,296.03-12,802.92

Finding the Fourth Proportional to 20,204.07, 30,296.03 and 12,802.92

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Solution

The fourth proportional to 20,204.07, 30,296.03 and 12,802.92 is: 19,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.07 : 30,296.03 = 12,802.92 : x
  2. Step 2: Convert to fraction form
    20,204.07/30,296.03 = 12,802.92/x
  3. Step 3: Cross multiply
    20,204.07x = 30,296.03 × 12,802.92
  4. Step 4: Simplify right side
    20,204.07x = 387,877,584.39
  5. Step 5: Solve for x
    x = 387,877,584.39/20,204.07
  6. Step 6: Final answer
    x = 19,197.99

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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.