Home / 12,499.36-18,752.88-4,292

Finding the Fourth Proportional to 12,499.36, 18,752.88 and 4,292

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Solution

The fourth proportional to 12,499.36, 18,752.88 and 4,292 is: 6,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.36 : 18,752.88 = 4,292 : x
  2. Step 2: Convert to fraction form
    12,499.36/18,752.88 = 4,292/x
  3. Step 3: Cross multiply
    12,499.36x = 18,752.88 × 4,292
  4. Step 4: Simplify right side
    12,499.36x = 80,487,360.96
  5. Step 5: Solve for x
    x = 80,487,360.96/12,499.36
  6. Step 6: Final answer
    x = 6,439.32

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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.