Home / 9,011.95-13,519.20-2,772.47

Finding the Fourth Proportional to 9,011.95, 13,519.20 and 2,772.47

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Solution

The fourth proportional to 9,011.95, 13,519.20 and 2,772.47 is: 4,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.95 : 13,519.20 = 2,772.47 : x
  2. Step 2: Convert to fraction form
    9,011.95/13,519.20 = 2,772.47/x
  3. Step 3: Cross multiply
    9,011.95x = 13,519.20 × 2,772.47
  4. Step 4: Simplify right side
    9,011.95x = 37,481,620.62
  5. Step 5: Solve for x
    x = 37,481,620.62/9,011.95
  6. Step 6: Final answer
    x = 4,159.10

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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.