Home / 20,184.32-30,274.09-5,394.38

Finding the Fourth Proportional to 20,184.32, 30,274.09 and 5,394.38

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Solution

The fourth proportional to 20,184.32, 30,274.09 and 5,394.38 is: 8,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.32 : 30,274.09 = 5,394.38 : x
  2. Step 2: Convert to fraction form
    20,184.32/30,274.09 = 5,394.38/x
  3. Step 3: Cross multiply
    20,184.32x = 30,274.09 × 5,394.38
  4. Step 4: Simplify right side
    20,184.32x = 163,309,945.61
  5. Step 5: Solve for x
    x = 163,309,945.61/20,184.32
  6. Step 6: Final answer
    x = 8,090.93

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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.