Home / 11,935.40-16,470.61-6,630.03

Finding the Fourth Proportional to 11,935.40, 16,470.61 and 6,630.03

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Solution

The fourth proportional to 11,935.40, 16,470.61 and 6,630.03 is: 9,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.40 : 16,470.61 = 6,630.03 : x
  2. Step 2: Convert to fraction form
    11,935.40/16,470.61 = 6,630.03/x
  3. Step 3: Cross multiply
    11,935.40x = 16,470.61 × 6,630.03
  4. Step 4: Simplify right side
    11,935.40x = 109,200,621.84
  5. Step 5: Solve for x
    x = 109,200,621.84/11,935.40
  6. Step 6: Final answer
    x = 9,149.31

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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.