Home / 11,727.61-16,185.20-6,423.23

Finding the Fourth Proportional to 11,727.61, 16,185.20 and 6,423.23

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Solution

The fourth proportional to 11,727.61, 16,185.20 and 6,423.23 is: 8,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.61 : 16,185.20 = 6,423.23 : x
  2. Step 2: Convert to fraction form
    11,727.61/16,185.20 = 6,423.23/x
  3. Step 3: Cross multiply
    11,727.61x = 16,185.20 × 6,423.23
  4. Step 4: Simplify right side
    11,727.61x = 103,961,262.20
  5. Step 5: Solve for x
    x = 103,961,262.20/11,727.61
  6. Step 6: Final answer
    x = 8,864.66

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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.