Home / 10,954.30-15,118.50-6,239.02

Finding the Fourth Proportional to 10,954.30, 15,118.50 and 6,239.02

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Solution

The fourth proportional to 10,954.30, 15,118.50 and 6,239.02 is: 8,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.30 : 15,118.50 = 6,239.02 : x
  2. Step 2: Convert to fraction form
    10,954.30/15,118.50 = 6,239.02/x
  3. Step 3: Cross multiply
    10,954.30x = 15,118.50 × 6,239.02
  4. Step 4: Simplify right side
    10,954.30x = 94,324,623.87
  5. Step 5: Solve for x
    x = 94,324,623.87/10,954.30
  6. Step 6: Final answer
    x = 8,610.74

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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.