Home / 11,889.28-16,406.66-6,583.68

Finding the Fourth Proportional to 11,889.28, 16,406.66 and 6,583.68

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Solution

The fourth proportional to 11,889.28, 16,406.66 and 6,583.68 is: 9,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.28 : 16,406.66 = 6,583.68 : x
  2. Step 2: Convert to fraction form
    11,889.28/16,406.66 = 6,583.68/x
  3. Step 3: Cross multiply
    11,889.28x = 16,406.66 × 6,583.68
  4. Step 4: Simplify right side
    11,889.28x = 108,016,199.31
  5. Step 5: Solve for x
    x = 108,016,199.31/11,889.28
  6. Step 6: Final answer
    x = 9,085.18

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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.