Home / 11,656.44-16,091.84-7,899.45

Finding the Fourth Proportional to 11,656.44, 16,091.84 and 7,899.45

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Solution

The fourth proportional to 11,656.44, 16,091.84 and 7,899.45 is: 10,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.44 : 16,091.84 = 7,899.45 : x
  2. Step 2: Convert to fraction form
    11,656.44/16,091.84 = 7,899.45/x
  3. Step 3: Cross multiply
    11,656.44x = 16,091.84 × 7,899.45
  4. Step 4: Simplify right side
    11,656.44x = 127,116,685.49
  5. Step 5: Solve for x
    x = 127,116,685.49/11,656.44
  6. Step 6: Final answer
    x = 10,905.28

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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.