Home / 12,845.74-19,268.18-5,445.44

Finding the Fourth Proportional to 12,845.74, 19,268.18 and 5,445.44

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Solution

The fourth proportional to 12,845.74, 19,268.18 and 5,445.44 is: 8,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.74 : 19,268.18 = 5,445.44 : x
  2. Step 2: Convert to fraction form
    12,845.74/19,268.18 = 5,445.44/x
  3. Step 3: Cross multiply
    12,845.74x = 19,268.18 × 5,445.44
  4. Step 4: Simplify right side
    12,845.74x = 104,923,718.10
  5. Step 5: Solve for x
    x = 104,923,718.10/12,845.74
  6. Step 6: Final answer
    x = 8,167.98

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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.