Home / 13,252.87-19,879.28-3,392.15

Finding the Fourth Proportional to 13,252.87, 19,879.28 and 3,392.15

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Solution

The fourth proportional to 13,252.87, 19,879.28 and 3,392.15 is: 5,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.87 : 19,879.28 = 3,392.15 : x
  2. Step 2: Convert to fraction form
    13,252.87/19,879.28 = 3,392.15/x
  3. Step 3: Cross multiply
    13,252.87x = 19,879.28 × 3,392.15
  4. Step 4: Simplify right side
    13,252.87x = 67,433,499.65
  5. Step 5: Solve for x
    x = 67,433,499.65/13,252.87
  6. Step 6: Final answer
    x = 5,088.22

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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.