Home / 11,895.10-16,415.37-6,590

Finding the Fourth Proportional to 11,895.10, 16,415.37 and 6,590

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Solution

The fourth proportional to 11,895.10, 16,415.37 and 6,590 is: 9,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.10 : 16,415.37 = 6,590 : x
  2. Step 2: Convert to fraction form
    11,895.10/16,415.37 = 6,590/x
  3. Step 3: Cross multiply
    11,895.10x = 16,415.37 × 6,590
  4. Step 4: Simplify right side
    11,895.10x = 108,177,288.30
  5. Step 5: Solve for x
    x = 108,177,288.30/11,895.10
  6. Step 6: Final answer
    x = 9,094.27

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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.