Home / 9,511.31-14,260.58-8,521.69

Finding the Fourth Proportional to 9,511.31, 14,260.58 and 8,521.69

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Solution

The fourth proportional to 9,511.31, 14,260.58 and 8,521.69 is: 12,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.31 : 14,260.58 = 8,521.69 : x
  2. Step 2: Convert to fraction form
    9,511.31/14,260.58 = 8,521.69/x
  3. Step 3: Cross multiply
    9,511.31x = 14,260.58 × 8,521.69
  4. Step 4: Simplify right side
    9,511.31x = 121,524,241.98
  5. Step 5: Solve for x
    x = 121,524,241.98/9,511.31
  6. Step 6: Final answer
    x = 12,776.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.