Home / 11,161.04-16,724.81-6,470.06

Finding the Fourth Proportional to 11,161.04, 16,724.81 and 6,470.06

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Solution

The fourth proportional to 11,161.04, 16,724.81 and 6,470.06 is: 9,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.04 : 16,724.81 = 6,470.06 : x
  2. Step 2: Convert to fraction form
    11,161.04/16,724.81 = 6,470.06/x
  3. Step 3: Cross multiply
    11,161.04x = 16,724.81 × 6,470.06
  4. Step 4: Simplify right side
    11,161.04x = 108,210,456.74
  5. Step 5: Solve for x
    x = 108,210,456.74/11,161.04
  6. Step 6: Final answer
    x = 9,695.38

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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.