Home / 9,009.68-13,513.28-3,816.76

Finding the Fourth Proportional to 9,009.68, 13,513.28 and 3,816.76

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Solution

The fourth proportional to 9,009.68, 13,513.28 and 3,816.76 is: 5,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.68 : 13,513.28 = 3,816.76 : x
  2. Step 2: Convert to fraction form
    9,009.68/13,513.28 = 3,816.76/x
  3. Step 3: Cross multiply
    9,009.68x = 13,513.28 × 3,816.76
  4. Step 4: Simplify right side
    9,009.68x = 51,576,946.57
  5. Step 5: Solve for x
    x = 51,576,946.57/9,009.68
  6. Step 6: Final answer
    x = 5,724.61

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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.