Home / 11,348.88-15,658.02-6,872.28

Finding the Fourth Proportional to 11,348.88, 15,658.02 and 6,872.28

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Solution

The fourth proportional to 11,348.88, 15,658.02 and 6,872.28 is: 9,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.88 : 15,658.02 = 6,872.28 : x
  2. Step 2: Convert to fraction form
    11,348.88/15,658.02 = 6,872.28/x
  3. Step 3: Cross multiply
    11,348.88x = 15,658.02 × 6,872.28
  4. Step 4: Simplify right side
    11,348.88x = 107,606,297.69
  5. Step 5: Solve for x
    x = 107,606,297.69/11,348.88
  6. Step 6: Final answer
    x = 9,481.67

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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.