Home / 11,994.48-16,551.54-6,689.66

Finding the Fourth Proportional to 11,994.48, 16,551.54 and 6,689.66

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Solution

The fourth proportional to 11,994.48, 16,551.54 and 6,689.66 is: 9,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.48 : 16,551.54 = 6,689.66 : x
  2. Step 2: Convert to fraction form
    11,994.48/16,551.54 = 6,689.66/x
  3. Step 3: Cross multiply
    11,994.48x = 16,551.54 × 6,689.66
  4. Step 4: Simplify right side
    11,994.48x = 110,724,092.32
  5. Step 5: Solve for x
    x = 110,724,092.32/11,994.48
  6. Step 6: Final answer
    x = 9,231.25

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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.