Home / 10,796.64-16,158.35-6,639.26

Finding the Fourth Proportional to 10,796.64, 16,158.35 and 6,639.26

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Solution

The fourth proportional to 10,796.64, 16,158.35 and 6,639.26 is: 9,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.64 : 16,158.35 = 6,639.26 : x
  2. Step 2: Convert to fraction form
    10,796.64/16,158.35 = 6,639.26/x
  3. Step 3: Cross multiply
    10,796.64x = 16,158.35 × 6,639.26
  4. Step 4: Simplify right side
    10,796.64x = 107,279,372.83
  5. Step 5: Solve for x
    x = 107,279,372.83/10,796.64
  6. Step 6: Final answer
    x = 9,936.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.