Home / 11,816.46-17,726.45-4,320.40

Finding the Fourth Proportional to 11,816.46, 17,726.45 and 4,320.40

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Solution

The fourth proportional to 11,816.46, 17,726.45 and 4,320.40 is: 6,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.46 : 17,726.45 = 4,320.40 : x
  2. Step 2: Convert to fraction form
    11,816.46/17,726.45 = 4,320.40/x
  3. Step 3: Cross multiply
    11,816.46x = 17,726.45 × 4,320.40
  4. Step 4: Simplify right side
    11,816.46x = 76,585,272.04
  5. Step 5: Solve for x
    x = 76,585,272.04/11,816.46
  6. Step 6: Final answer
    x = 6,481.24

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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.