Home / 11,116.40-16,661.40-5,568.08

Finding the Fourth Proportional to 11,116.40, 16,661.40 and 5,568.08

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Solution

The fourth proportional to 11,116.40, 16,661.40 and 5,568.08 is: 8,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.40 : 16,661.40 = 5,568.08 : x
  2. Step 2: Convert to fraction form
    11,116.40/16,661.40 = 5,568.08/x
  3. Step 3: Cross multiply
    11,116.40x = 16,661.40 × 5,568.08
  4. Step 4: Simplify right side
    11,116.40x = 92,772,008.11
  5. Step 5: Solve for x
    x = 92,772,008.11/11,116.40
  6. Step 6: Final answer
    x = 8,345.51

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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.