Home / 11,888.93-16,407.36-6,583.78

Finding the Fourth Proportional to 11,888.93, 16,407.36 and 6,583.78

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Solution

The fourth proportional to 11,888.93, 16,407.36 and 6,583.78 is: 9,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.93 : 16,407.36 = 6,583.78 : x
  2. Step 2: Convert to fraction form
    11,888.93/16,407.36 = 6,583.78/x
  3. Step 3: Cross multiply
    11,888.93x = 16,407.36 × 6,583.78
  4. Step 4: Simplify right side
    11,888.93x = 108,022,469.13
  5. Step 5: Solve for x
    x = 108,022,469.13/11,888.93
  6. Step 6: Final answer
    x = 9,085.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.