Home / 13,877.57-20,818.92-4,392.27

Finding the Fourth Proportional to 13,877.57, 20,818.92 and 4,392.27

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Solution

The fourth proportional to 13,877.57, 20,818.92 and 4,392.27 is: 6,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.57 : 20,818.92 = 4,392.27 : x
  2. Step 2: Convert to fraction form
    13,877.57/20,818.92 = 4,392.27/x
  3. Step 3: Cross multiply
    13,877.57x = 20,818.92 × 4,392.27
  4. Step 4: Simplify right side
    13,877.57x = 91,442,295.79
  5. Step 5: Solve for x
    x = 91,442,295.79/13,877.57
  6. Step 6: Final answer
    x = 6,589.22

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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.