Home / 11,747.40-16,211.10-6,967.32

Finding the Fourth Proportional to 11,747.40, 16,211.10 and 6,967.32

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Solution

The fourth proportional to 11,747.40, 16,211.10 and 6,967.32 is: 9,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.40 : 16,211.10 = 6,967.32 : x
  2. Step 2: Convert to fraction form
    11,747.40/16,211.10 = 6,967.32/x
  3. Step 3: Cross multiply
    11,747.40x = 16,211.10 × 6,967.32
  4. Step 4: Simplify right side
    11,747.40x = 112,947,921.25
  5. Step 5: Solve for x
    x = 112,947,921.25/11,747.40
  6. Step 6: Final answer
    x = 9,614.72

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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.