Home / 11,677.77-17,515.04-3,781.08

Finding the Fourth Proportional to 11,677.77, 17,515.04 and 3,781.08

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Solution

The fourth proportional to 11,677.77, 17,515.04 and 3,781.08 is: 5,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.77 : 17,515.04 = 3,781.08 : x
  2. Step 2: Convert to fraction form
    11,677.77/17,515.04 = 3,781.08/x
  3. Step 3: Cross multiply
    11,677.77x = 17,515.04 × 3,781.08
  4. Step 4: Simplify right side
    11,677.77x = 66,225,748.54
  5. Step 5: Solve for x
    x = 66,225,748.54/11,677.77
  6. Step 6: Final answer
    x = 5,671.10

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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.