Home / 11,585.11-17,378.27-3,688.49

Finding the Fourth Proportional to 11,585.11, 17,378.27 and 3,688.49

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Solution

The fourth proportional to 11,585.11, 17,378.27 and 3,688.49 is: 5,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.11 : 17,378.27 = 3,688.49 : x
  2. Step 2: Convert to fraction form
    11,585.11/17,378.27 = 3,688.49/x
  3. Step 3: Cross multiply
    11,585.11x = 17,378.27 × 3,688.49
  4. Step 4: Simplify right side
    11,585.11x = 64,099,575.11
  5. Step 5: Solve for x
    x = 64,099,575.11/11,585.11
  6. Step 6: Final answer
    x = 5,532.93

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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.