Home / 11,358.53-15,671.12-6,880.85

Finding the Fourth Proportional to 11,358.53, 15,671.12 and 6,880.85

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Solution

The fourth proportional to 11,358.53, 15,671.12 and 6,880.85 is: 9,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.53 : 15,671.12 = 6,880.85 : x
  2. Step 2: Convert to fraction form
    11,358.53/15,671.12 = 6,880.85/x
  3. Step 3: Cross multiply
    11,358.53x = 15,671.12 × 6,880.85
  4. Step 4: Simplify right side
    11,358.53x = 107,830,626.05
  5. Step 5: Solve for x
    x = 107,830,626.05/11,358.53
  6. Step 6: Final answer
    x = 9,493.36

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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.