Home / 11,800.05-16,284.12-6,764.57

Finding the Fourth Proportional to 11,800.05, 16,284.12 and 6,764.57

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Solution

The fourth proportional to 11,800.05, 16,284.12 and 6,764.57 is: 9,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.05 : 16,284.12 = 6,764.57 : x
  2. Step 2: Convert to fraction form
    11,800.05/16,284.12 = 6,764.57/x
  3. Step 3: Cross multiply
    11,800.05x = 16,284.12 × 6,764.57
  4. Step 4: Simplify right side
    11,800.05x = 110,155,069.63
  5. Step 5: Solve for x
    x = 110,155,069.63/11,800.05
  6. Step 6: Final answer
    x = 9,335.14

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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.