Home / 11,350.67-15,671.64-7,103.45

Finding the Fourth Proportional to 11,350.67, 15,671.64 and 7,103.45

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Solution

The fourth proportional to 11,350.67, 15,671.64 and 7,103.45 is: 9,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.67 : 15,671.64 = 7,103.45 : x
  2. Step 2: Convert to fraction form
    11,350.67/15,671.64 = 7,103.45/x
  3. Step 3: Cross multiply
    11,350.67x = 15,671.64 × 7,103.45
  4. Step 4: Simplify right side
    11,350.67x = 111,322,658.85
  5. Step 5: Solve for x
    x = 111,322,658.85/11,350.67
  6. Step 6: Final answer
    x = 9,807.59

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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.