Home / 11,189.16-16,760.70-6,561

Finding the Fourth Proportional to 11,189.16, 16,760.70 and 6,561

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Solution

The fourth proportional to 11,189.16, 16,760.70 and 6,561 is: 9,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.16 : 16,760.70 = 6,561 : x
  2. Step 2: Convert to fraction form
    11,189.16/16,760.70 = 6,561/x
  3. Step 3: Cross multiply
    11,189.16x = 16,760.70 × 6,561
  4. Step 4: Simplify right side
    11,189.16x = 109,966,952.70
  5. Step 5: Solve for x
    x = 109,966,952.70/11,189.16
  6. Step 6: Final answer
    x = 9,827.99

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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.