Home / 11,550.49-17,325.72-2,785.40

Finding the Fourth Proportional to 11,550.49, 17,325.72 and 2,785.40

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Solution

The fourth proportional to 11,550.49, 17,325.72 and 2,785.40 is: 4,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.49 : 17,325.72 = 2,785.40 : x
  2. Step 2: Convert to fraction form
    11,550.49/17,325.72 = 2,785.40/x
  3. Step 3: Cross multiply
    11,550.49x = 17,325.72 × 2,785.40
  4. Step 4: Simplify right side
    11,550.49x = 48,259,060.49
  5. Step 5: Solve for x
    x = 48,259,060.49/11,550.49
  6. Step 6: Final answer
    x = 4,178.10

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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.