Home / 13,243.24-19,859.46-5,747.32

Finding the Fourth Proportional to 13,243.24, 19,859.46 and 5,747.32

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Solution

The fourth proportional to 13,243.24, 19,859.46 and 5,747.32 is: 8,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.24 : 19,859.46 = 5,747.32 : x
  2. Step 2: Convert to fraction form
    13,243.24/19,859.46 = 5,747.32/x
  3. Step 3: Cross multiply
    13,243.24x = 19,859.46 × 5,747.32
  4. Step 4: Simplify right side
    13,243.24x = 114,138,671.65
  5. Step 5: Solve for x
    x = 114,138,671.65/13,243.24
  6. Step 6: Final answer
    x = 8,618.64

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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.