Home / 11,937.26-16,472.04-6,630.80

Finding the Fourth Proportional to 11,937.26, 16,472.04 and 6,630.80

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Solution

The fourth proportional to 11,937.26, 16,472.04 and 6,630.80 is: 9,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.26 : 16,472.04 = 6,630.80 : x
  2. Step 2: Convert to fraction form
    11,937.26/16,472.04 = 6,630.80/x
  3. Step 3: Cross multiply
    11,937.26x = 16,472.04 × 6,630.80
  4. Step 4: Simplify right side
    11,937.26x = 109,222,802.83
  5. Step 5: Solve for x
    x = 109,222,802.83/11,937.26
  6. Step 6: Final answer
    x = 9,149.74

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1.5x scale

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.