Home / 11,451.18-15,800.49-6,733.74

Finding the Fourth Proportional to 11,451.18, 15,800.49 and 6,733.74

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Solution

The fourth proportional to 11,451.18, 15,800.49 and 6,733.74 is: 9,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.18 : 15,800.49 = 6,733.74 : x
  2. Step 2: Convert to fraction form
    11,451.18/15,800.49 = 6,733.74/x
  3. Step 3: Cross multiply
    11,451.18x = 15,800.49 × 6,733.74
  4. Step 4: Simplify right side
    11,451.18x = 106,396,391.53
  5. Step 5: Solve for x
    x = 106,396,391.53/11,451.18
  6. Step 6: Final answer
    x = 9,291.30

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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.