Home / 9,021.38-13,525.91-5,512.61

Finding the Fourth Proportional to 9,021.38, 13,525.91 and 5,512.61

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Solution

The fourth proportional to 9,021.38, 13,525.91 and 5,512.61 is: 8,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.38 : 13,525.91 = 5,512.61 : x
  2. Step 2: Convert to fraction form
    9,021.38/13,525.91 = 5,512.61/x
  3. Step 3: Cross multiply
    9,021.38x = 13,525.91 × 5,512.61
  4. Step 4: Simplify right side
    9,021.38x = 74,563,033.07
  5. Step 5: Solve for x
    x = 74,563,033.07/9,021.38
  6. Step 6: Final answer
    x = 8,265.15

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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.