Home / 11,366.35-15,686.78-6,654.58

Finding the Fourth Proportional to 11,366.35, 15,686.78 and 6,654.58

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Solution

The fourth proportional to 11,366.35, 15,686.78 and 6,654.58 is: 9,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.35 : 15,686.78 = 6,654.58 : x
  2. Step 2: Convert to fraction form
    11,366.35/15,686.78 = 6,654.58/x
  3. Step 3: Cross multiply
    11,366.35x = 15,686.78 × 6,654.58
  4. Step 4: Simplify right side
    11,366.35x = 104,388,932.45
  5. Step 5: Solve for x
    x = 104,388,932.45/11,366.35
  6. Step 6: Final answer
    x = 9,184.03

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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.