Home / 11,707.21-16,156.71-6,671.59

Finding the Fourth Proportional to 11,707.21, 16,156.71 and 6,671.59

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Solution

The fourth proportional to 11,707.21, 16,156.71 and 6,671.59 is: 9,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.21 : 16,156.71 = 6,671.59 : x
  2. Step 2: Convert to fraction form
    11,707.21/16,156.71 = 6,671.59/x
  3. Step 3: Cross multiply
    11,707.21x = 16,156.71 × 6,671.59
  4. Step 4: Simplify right side
    11,707.21x = 107,790,944.87
  5. Step 5: Solve for x
    x = 107,790,944.87/11,707.21
  6. Step 6: Final answer
    x = 9,207.23

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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.