Home / 9,011.68-13,519.64-4,081.30

Finding the Fourth Proportional to 9,011.68, 13,519.64 and 4,081.30

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Solution

The fourth proportional to 9,011.68, 13,519.64 and 4,081.30 is: 6,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.68 : 13,519.64 = 4,081.30 : x
  2. Step 2: Convert to fraction form
    9,011.68/13,519.64 = 4,081.30/x
  3. Step 3: Cross multiply
    9,011.68x = 13,519.64 × 4,081.30
  4. Step 4: Simplify right side
    9,011.68x = 55,177,683.14
  5. Step 5: Solve for x
    x = 55,177,683.14/9,011.68
  6. Step 6: Final answer
    x = 6,122.91

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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.