Home / 11,908.69-16,434.90-6,604.00

Finding the Fourth Proportional to 11,908.69, 16,434.90 and 6,604.00

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Solution

The fourth proportional to 11,908.69, 16,434.90 and 6,604.00 is: 9,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.69 : 16,434.90 = 6,604.00 : x
  2. Step 2: Convert to fraction form
    11,908.69/16,434.90 = 6,604.00/x
  3. Step 3: Cross multiply
    11,908.69x = 16,434.90 × 6,604.00
  4. Step 4: Simplify right side
    11,908.69x = 108,536,038.51
  5. Step 5: Solve for x
    x = 108,536,038.51/11,908.69
  6. Step 6: Final answer
    x = 9,114.02

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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.