Home / 11,807.28-16,292.34-6,771.70

Finding the Fourth Proportional to 11,807.28, 16,292.34 and 6,771.70

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Solution

The fourth proportional to 11,807.28, 16,292.34 and 6,771.70 is: 9,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.28 : 16,292.34 = 6,771.70 : x
  2. Step 2: Convert to fraction form
    11,807.28/16,292.34 = 6,771.70/x
  3. Step 3: Cross multiply
    11,807.28x = 16,292.34 × 6,771.70
  4. Step 4: Simplify right side
    11,807.28x = 110,326,838.78
  5. Step 5: Solve for x
    x = 110,326,838.78/11,807.28
  6. Step 6: Final answer
    x = 9,343.97

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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.