Home / 11,961.32-16,506.18-6,656.02

Finding the Fourth Proportional to 11,961.32, 16,506.18 and 6,656.02

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Solution

The fourth proportional to 11,961.32, 16,506.18 and 6,656.02 is: 9,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.32 : 16,506.18 = 6,656.02 : x
  2. Step 2: Convert to fraction form
    11,961.32/16,506.18 = 6,656.02/x
  3. Step 3: Cross multiply
    11,961.32x = 16,506.18 × 6,656.02
  4. Step 4: Simplify right side
    11,961.32x = 109,865,422.94
  5. Step 5: Solve for x
    x = 109,865,422.94/11,961.32
  6. Step 6: Final answer
    x = 9,185.06

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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.