Home / 11,088.81-15,301.31-6,374.61

Finding the Fourth Proportional to 11,088.81, 15,301.31 and 6,374.61

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Solution

The fourth proportional to 11,088.81, 15,301.31 and 6,374.61 is: 8,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.81 : 15,301.31 = 6,374.61 : x
  2. Step 2: Convert to fraction form
    11,088.81/15,301.31 = 6,374.61/x
  3. Step 3: Cross multiply
    11,088.81x = 15,301.31 × 6,374.61
  4. Step 4: Simplify right side
    11,088.81x = 97,539,851.87
  5. Step 5: Solve for x
    x = 97,539,851.87/11,088.81
  6. Step 6: Final answer
    x = 8,796.24

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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.