Home / 9,500.50-13,110.44-5,308.78

Finding the Fourth Proportional to 9,500.50, 13,110.44 and 5,308.78

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Solution

The fourth proportional to 9,500.50, 13,110.44 and 5,308.78 is: 7,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.50 : 13,110.44 = 5,308.78 : x
  2. Step 2: Convert to fraction form
    9,500.50/13,110.44 = 5,308.78/x
  3. Step 3: Cross multiply
    9,500.50x = 13,110.44 × 5,308.78
  4. Step 4: Simplify right side
    9,500.50x = 69,600,441.66
  5. Step 5: Solve for x
    x = 69,600,441.66/9,500.50
  6. Step 6: Final answer
    x = 7,325.98

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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.