Home / 15,816.24-23,721.66-7,910.64

Finding the Fourth Proportional to 15,816.24, 23,721.66 and 7,910.64

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Solution

The fourth proportional to 15,816.24, 23,721.66 and 7,910.64 is: 11,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.24 : 23,721.66 = 7,910.64 : x
  2. Step 2: Convert to fraction form
    15,816.24/23,721.66 = 7,910.64/x
  3. Step 3: Cross multiply
    15,816.24x = 23,721.66 × 7,910.64
  4. Step 4: Simplify right side
    15,816.24x = 187,653,512.46
  5. Step 5: Solve for x
    x = 187,653,512.46/15,816.24
  6. Step 6: Final answer
    x = 11,864.61

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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.