Home / 20,395.11-30,592.65-5,604.09

Finding the Fourth Proportional to 20,395.11, 30,592.65 and 5,604.09

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Solution

The fourth proportional to 20,395.11, 30,592.65 and 5,604.09 is: 8,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.11 : 30,592.65 = 5,604.09 : x
  2. Step 2: Convert to fraction form
    20,395.11/30,592.65 = 5,604.09/x
  3. Step 3: Cross multiply
    20,395.11x = 30,592.65 × 5,604.09
  4. Step 4: Simplify right side
    20,395.11x = 171,443,963.94
  5. Step 5: Solve for x
    x = 171,443,963.94/20,395.11
  6. Step 6: Final answer
    x = 8,406.13

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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.