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Finding the Fourth Proportional to 9,011.52, 13,519.40 and 2,855.52

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Solution

The fourth proportional to 9,011.52, 13,519.40 and 2,855.52 is: 4,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.52 : 13,519.40 = 2,855.52 : x
  2. Step 2: Convert to fraction form
    9,011.52/13,519.40 = 2,855.52/x
  3. Step 3: Cross multiply
    9,011.52x = 13,519.40 × 2,855.52
  4. Step 4: Simplify right side
    9,011.52x = 38,604,917.09
  5. Step 5: Solve for x
    x = 38,604,917.09/9,011.52
  6. Step 6: Final answer
    x = 4,283.95

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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.