Home / 12,537.44-18,818.81-5,520.58

Finding the Fourth Proportional to 12,537.44, 18,818.81 and 5,520.58

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Solution

The fourth proportional to 12,537.44, 18,818.81 and 5,520.58 is: 8,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.44 : 18,818.81 = 5,520.58 : x
  2. Step 2: Convert to fraction form
    12,537.44/18,818.81 = 5,520.58/x
  3. Step 3: Cross multiply
    12,537.44x = 18,818.81 × 5,520.58
  4. Step 4: Simplify right side
    12,537.44x = 103,890,746.11
  5. Step 5: Solve for x
    x = 103,890,746.11/12,537.44
  6. Step 6: Final answer
    x = 8,286.44

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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.