Home / 9,020.29-13,530.45-5,550.25

Finding the Fourth Proportional to 9,020.29, 13,530.45 and 5,550.25

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Solution

The fourth proportional to 9,020.29, 13,530.45 and 5,550.25 is: 8,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.29 : 13,530.45 = 5,550.25 : x
  2. Step 2: Convert to fraction form
    9,020.29/13,530.45 = 5,550.25/x
  3. Step 3: Cross multiply
    9,020.29x = 13,530.45 × 5,550.25
  4. Step 4: Simplify right side
    9,020.29x = 75,097,380.11
  5. Step 5: Solve for x
    x = 75,097,380.11/9,020.29
  6. Step 6: Final answer
    x = 8,325.38

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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.