Home / 11,905.68-17,858.66-4,508.15

Finding the Fourth Proportional to 11,905.68, 17,858.66 and 4,508.15

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Solution

The fourth proportional to 11,905.68, 17,858.66 and 4,508.15 is: 6,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.68 : 17,858.66 = 4,508.15 : x
  2. Step 2: Convert to fraction form
    11,905.68/17,858.66 = 4,508.15/x
  3. Step 3: Cross multiply
    11,905.68x = 17,858.66 × 4,508.15
  4. Step 4: Simplify right side
    11,905.68x = 80,509,518.08
  5. Step 5: Solve for x
    x = 80,509,518.08/11,905.68
  6. Step 6: Final answer
    x = 6,762.28

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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.