Home / 12,753.42-19,129.61-4,435.32

Finding the Fourth Proportional to 12,753.42, 19,129.61 and 4,435.32

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Solution

The fourth proportional to 12,753.42, 19,129.61 and 4,435.32 is: 6,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.42 : 19,129.61 = 4,435.32 : x
  2. Step 2: Convert to fraction form
    12,753.42/19,129.61 = 4,435.32/x
  3. Step 3: Cross multiply
    12,753.42x = 19,129.61 × 4,435.32
  4. Step 4: Simplify right side
    12,753.42x = 84,845,919.65
  5. Step 5: Solve for x
    x = 84,845,919.65/12,753.42
  6. Step 6: Final answer
    x = 6,652.80

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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.