Home / 12,154.64-18,232.36-3,834.74

Finding the Fourth Proportional to 12,154.64, 18,232.36 and 3,834.74

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Solution

The fourth proportional to 12,154.64, 18,232.36 and 3,834.74 is: 5,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.64 : 18,232.36 = 3,834.74 : x
  2. Step 2: Convert to fraction form
    12,154.64/18,232.36 = 3,834.74/x
  3. Step 3: Cross multiply
    12,154.64x = 18,232.36 × 3,834.74
  4. Step 4: Simplify right side
    12,154.64x = 69,916,396.18
  5. Step 5: Solve for x
    x = 69,916,396.18/12,154.64
  6. Step 6: Final answer
    x = 5,752.24

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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.