Home / 20,182.23-30,263.22-12,801.51

Finding the Fourth Proportional to 20,182.23, 30,263.22 and 12,801.51

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Solution

The fourth proportional to 20,182.23, 30,263.22 and 12,801.51 is: 19,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.23 : 30,263.22 = 12,801.51 : x
  2. Step 2: Convert to fraction form
    20,182.23/30,263.22 = 12,801.51/x
  3. Step 3: Cross multiply
    20,182.23x = 30,263.22 × 12,801.51
  4. Step 4: Simplify right side
    20,182.23x = 387,414,913.46
  5. Step 5: Solve for x
    x = 387,414,913.46/20,182.23
  6. Step 6: Final answer
    x = 19,195.84

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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.