Home / 11,705.94-16,155.32-6,671.39

Finding the Fourth Proportional to 11,705.94, 16,155.32 and 6,671.39

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Solution

The fourth proportional to 11,705.94, 16,155.32 and 6,671.39 is: 9,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.94 : 16,155.32 = 6,671.39 : x
  2. Step 2: Convert to fraction form
    11,705.94/16,155.32 = 6,671.39/x
  3. Step 3: Cross multiply
    11,705.94x = 16,155.32 × 6,671.39
  4. Step 4: Simplify right side
    11,705.94x = 107,778,326.16
  5. Step 5: Solve for x
    x = 107,778,326.16/11,705.94
  6. Step 6: Final answer
    x = 9,207.15

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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.