Home / 12,879.02-19,318.53-7,032.44

Finding the Fourth Proportional to 12,879.02, 19,318.53 and 7,032.44

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Solution

The fourth proportional to 12,879.02, 19,318.53 and 7,032.44 is: 10,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879.02 : 19,318.53 = 7,032.44 : x
  2. Step 2: Convert to fraction form
    12,879.02/19,318.53 = 7,032.44/x
  3. Step 3: Cross multiply
    12,879.02x = 19,318.53 × 7,032.44
  4. Step 4: Simplify right side
    12,879.02x = 135,856,403.11
  5. Step 5: Solve for x
    x = 135,856,403.11/12,879.02
  6. Step 6: Final answer
    x = 10,548.66

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Similar ratio
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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.