Home / 9,012.27-13,519.95-2,772.15

Finding the Fourth Proportional to 9,012.27, 13,519.95 and 2,772.15

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Solution

The fourth proportional to 9,012.27, 13,519.95 and 2,772.15 is: 4,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.27 : 13,519.95 = 2,772.15 : x
  2. Step 2: Convert to fraction form
    9,012.27/13,519.95 = 2,772.15/x
  3. Step 3: Cross multiply
    9,012.27x = 13,519.95 × 2,772.15
  4. Step 4: Simplify right side
    9,012.27x = 37,479,268.30
  5. Step 5: Solve for x
    x = 37,479,268.30/9,012.27
  6. Step 6: Final answer
    x = 4,158.69

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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.