Home / 9,520.26-13,137.96-5,328.54

Finding the Fourth Proportional to 9,520.26, 13,137.96 and 5,328.54

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Solution

The fourth proportional to 9,520.26, 13,137.96 and 5,328.54 is: 7,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.26 : 13,137.96 = 5,328.54 : x
  2. Step 2: Convert to fraction form
    9,520.26/13,137.96 = 5,328.54/x
  3. Step 3: Cross multiply
    9,520.26x = 13,137.96 × 5,328.54
  4. Step 4: Simplify right side
    9,520.26x = 70,006,145.38
  5. Step 5: Solve for x
    x = 70,006,145.38/9,520.26
  6. Step 6: Final answer
    x = 7,353.39

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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.