Home / 11,287.40-16,903.74-5,726.12

Finding the Fourth Proportional to 11,287.40, 16,903.74 and 5,726.12

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Solution

The fourth proportional to 11,287.40, 16,903.74 and 5,726.12 is: 8,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.40 : 16,903.74 = 5,726.12 : x
  2. Step 2: Convert to fraction form
    11,287.40/16,903.74 = 5,726.12/x
  3. Step 3: Cross multiply
    11,287.40x = 16,903.74 × 5,726.12
  4. Step 4: Simplify right side
    11,287.40x = 96,792,843.69
  5. Step 5: Solve for x
    x = 96,792,843.69/11,287.40
  6. Step 6: Final answer
    x = 8,575.30

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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.