Home / 11,671.53-17,503.47-3,878.25

Finding the Fourth Proportional to 11,671.53, 17,503.47 and 3,878.25

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Solution

The fourth proportional to 11,671.53, 17,503.47 and 3,878.25 is: 5,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.53 : 17,503.47 = 3,878.25 : x
  2. Step 2: Convert to fraction form
    11,671.53/17,503.47 = 3,878.25/x
  3. Step 3: Cross multiply
    11,671.53x = 17,503.47 × 3,878.25
  4. Step 4: Simplify right side
    11,671.53x = 67,882,832.53
  5. Step 5: Solve for x
    x = 67,882,832.53/11,671.53
  6. Step 6: Final answer
    x = 5,816.10

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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.