Home / 11,616.72-16,031.11-6,581.87

Finding the Fourth Proportional to 11,616.72, 16,031.11 and 6,581.87

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Solution

The fourth proportional to 11,616.72, 16,031.11 and 6,581.87 is: 9,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.72 : 16,031.11 = 6,581.87 : x
  2. Step 2: Convert to fraction form
    11,616.72/16,031.11 = 6,581.87/x
  3. Step 3: Cross multiply
    11,616.72x = 16,031.11 × 6,581.87
  4. Step 4: Simplify right side
    11,616.72x = 105,514,681.98
  5. Step 5: Solve for x
    x = 105,514,681.98/11,616.72
  6. Step 6: Final answer
    x = 9,083.01

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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.