Home / 12,819.18-19,232.04-3,585.18

Finding the Fourth Proportional to 12,819.18, 19,232.04 and 3,585.18

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Solution

The fourth proportional to 12,819.18, 19,232.04 and 3,585.18 is: 5,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.18 : 19,232.04 = 3,585.18 : x
  2. Step 2: Convert to fraction form
    12,819.18/19,232.04 = 3,585.18/x
  3. Step 3: Cross multiply
    12,819.18x = 19,232.04 × 3,585.18
  4. Step 4: Simplify right side
    12,819.18x = 68,950,325.17
  5. Step 5: Solve for x
    x = 68,950,325.17/12,819.18
  6. Step 6: Final answer
    x = 5,378.68

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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.