Home / 10,910.88-15,055.20-6,193.44

Finding the Fourth Proportional to 10,910.88, 15,055.20 and 6,193.44

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Solution

The fourth proportional to 10,910.88, 15,055.20 and 6,193.44 is: 8,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.88 : 15,055.20 = 6,193.44 : x
  2. Step 2: Convert to fraction form
    10,910.88/15,055.20 = 6,193.44/x
  3. Step 3: Cross multiply
    10,910.88x = 15,055.20 × 6,193.44
  4. Step 4: Simplify right side
    10,910.88x = 93,243,477.89
  5. Step 5: Solve for x
    x = 93,243,477.89/10,910.88
  6. Step 6: Final answer
    x = 8,545.92

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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.