Home / 9,012.39-13,519.86-2,772.91

Finding the Fourth Proportional to 9,012.39, 13,519.86 and 2,772.91

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Solution

The fourth proportional to 9,012.39, 13,519.86 and 2,772.91 is: 4,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.39 : 13,519.86 = 2,772.91 : x
  2. Step 2: Convert to fraction form
    9,012.39/13,519.86 = 2,772.91/x
  3. Step 3: Cross multiply
    9,012.39x = 13,519.86 × 2,772.91
  4. Step 4: Simplify right side
    9,012.39x = 37,489,354.99
  5. Step 5: Solve for x
    x = 37,489,354.99/9,012.39
  6. Step 6: Final answer
    x = 4,159.76

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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.