Home / 11,320.90-15,624.71-6,286.73

Finding the Fourth Proportional to 11,320.90, 15,624.71 and 6,286.73

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Solution

The fourth proportional to 11,320.90, 15,624.71 and 6,286.73 is: 8,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.90 : 15,624.71 = 6,286.73 : x
  2. Step 2: Convert to fraction form
    11,320.90/15,624.71 = 6,286.73/x
  3. Step 3: Cross multiply
    11,320.90x = 15,624.71 × 6,286.73
  4. Step 4: Simplify right side
    11,320.90x = 98,228,333.10
  5. Step 5: Solve for x
    x = 98,228,333.10/11,320.90
  6. Step 6: Final answer
    x = 8,676.72

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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.