Home / 11,287.40-16,930.72-5,367.16

Finding the Fourth Proportional to 11,287.40, 16,930.72 and 5,367.16

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Solution

The fourth proportional to 11,287.40, 16,930.72 and 5,367.16 is: 8,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.40 : 16,930.72 = 5,367.16 : x
  2. Step 2: Convert to fraction form
    11,287.40/16,930.72 = 5,367.16/x
  3. Step 3: Cross multiply
    11,287.40x = 16,930.72 × 5,367.16
  4. Step 4: Simplify right side
    11,287.40x = 90,869,911.03
  5. Step 5: Solve for x
    x = 90,869,911.03/11,287.40
  6. Step 6: Final answer
    x = 8,050.56

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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.