Home / 11,088.08-15,301.64-6,372.56

Finding the Fourth Proportional to 11,088.08, 15,301.64 and 6,372.56

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Solution

The fourth proportional to 11,088.08, 15,301.64 and 6,372.56 is: 8,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.08 : 15,301.64 = 6,372.56 : x
  2. Step 2: Convert to fraction form
    11,088.08/15,301.64 = 6,372.56/x
  3. Step 3: Cross multiply
    11,088.08x = 15,301.64 × 6,372.56
  4. Step 4: Simplify right side
    11,088.08x = 97,510,619.00
  5. Step 5: Solve for x
    x = 97,510,619.00/11,088.08
  6. Step 6: Final answer
    x = 8,794.18

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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.