Home / 14,818.38-20,445.84-9,520.44

Finding the Fourth Proportional to 14,818.38, 20,445.84 and 9,520.44

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Solution

The fourth proportional to 14,818.38, 20,445.84 and 9,520.44 is: 13,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.38 : 20,445.84 = 9,520.44 : x
  2. Step 2: Convert to fraction form
    14,818.38/20,445.84 = 9,520.44/x
  3. Step 3: Cross multiply
    14,818.38x = 20,445.84 × 9,520.44
  4. Step 4: Simplify right side
    14,818.38x = 194,653,392.97
  5. Step 5: Solve for x
    x = 194,653,392.97/14,818.38
  6. Step 6: Final answer
    x = 13,135.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.