Home / 10,890.97-15,029.54-6,175.25

Finding the Fourth Proportional to 10,890.97, 15,029.54 and 6,175.25

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Solution

The fourth proportional to 10,890.97, 15,029.54 and 6,175.25 is: 8,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.97 : 15,029.54 = 6,175.25 : x
  2. Step 2: Convert to fraction form
    10,890.97/15,029.54 = 6,175.25/x
  3. Step 3: Cross multiply
    10,890.97x = 15,029.54 × 6,175.25
  4. Step 4: Simplify right side
    10,890.97x = 92,811,204.46
  5. Step 5: Solve for x
    x = 92,811,204.46/10,890.97
  6. Step 6: Final answer
    x = 8,521.85

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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.