Home / 11,053.03-16,587.57-8,287.16

Finding the Fourth Proportional to 11,053.03, 16,587.57 and 8,287.16

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Solution

The fourth proportional to 11,053.03, 16,587.57 and 8,287.16 is: 12,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.03 : 16,587.57 = 8,287.16 : x
  2. Step 2: Convert to fraction form
    11,053.03/16,587.57 = 8,287.16/x
  3. Step 3: Cross multiply
    11,053.03x = 16,587.57 × 8,287.16
  4. Step 4: Simplify right side
    11,053.03x = 137,463,763.66
  5. Step 5: Solve for x
    x = 137,463,763.66/11,053.03
  6. Step 6: Final answer
    x = 12,436.75

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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.