Home / 11,320.75-15,622.64-6,352.75

Finding the Fourth Proportional to 11,320.75, 15,622.64 and 6,352.75

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Solution

The fourth proportional to 11,320.75, 15,622.64 and 6,352.75 is: 8,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.75 : 15,622.64 = 6,352.75 : x
  2. Step 2: Convert to fraction form
    11,320.75/15,622.64 = 6,352.75/x
  3. Step 3: Cross multiply
    11,320.75x = 15,622.64 × 6,352.75
  4. Step 4: Simplify right side
    11,320.75x = 99,246,726.26
  5. Step 5: Solve for x
    x = 99,246,726.26/11,320.75
  6. Step 6: Final answer
    x = 8,766.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.