Home / 11,081.81-15,292.90-6,366.09

Finding the Fourth Proportional to 11,081.81, 15,292.90 and 6,366.09

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Solution

The fourth proportional to 11,081.81, 15,292.90 and 6,366.09 is: 8,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.81 : 15,292.90 = 6,366.09 : x
  2. Step 2: Convert to fraction form
    11,081.81/15,292.90 = 6,366.09/x
  3. Step 3: Cross multiply
    11,081.81x = 15,292.90 × 6,366.09
  4. Step 4: Simplify right side
    11,081.81x = 97,356,043.07
  5. Step 5: Solve for x
    x = 97,356,043.07/11,081.81
  6. Step 6: Final answer
    x = 8,785.21

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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.