Home / 11,109.44-16,671.32-6,426.56

Finding the Fourth Proportional to 11,109.44, 16,671.32 and 6,426.56

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Solution

The fourth proportional to 11,109.44, 16,671.32 and 6,426.56 is: 9,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.44 : 16,671.32 = 6,426.56 : x
  2. Step 2: Convert to fraction form
    11,109.44/16,671.32 = 6,426.56/x
  3. Step 3: Cross multiply
    11,109.44x = 16,671.32 × 6,426.56
  4. Step 4: Simplify right side
    11,109.44x = 107,139,238.26
  5. Step 5: Solve for x
    x = 107,139,238.26/11,109.44
  6. Step 6: Final answer
    x = 9,643.98

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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.