Home / 11,981.62-16,534.65-6,677.48

Finding the Fourth Proportional to 11,981.62, 16,534.65 and 6,677.48

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Solution

The fourth proportional to 11,981.62, 16,534.65 and 6,677.48 is: 9,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.62 : 16,534.65 = 6,677.48 : x
  2. Step 2: Convert to fraction form
    11,981.62/16,534.65 = 6,677.48/x
  3. Step 3: Cross multiply
    11,981.62x = 16,534.65 × 6,677.48
  4. Step 4: Simplify right side
    11,981.62x = 110,409,794.68
  5. Step 5: Solve for x
    x = 110,409,794.68/11,981.62
  6. Step 6: Final answer
    x = 9,214.93

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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.