Home / 15,823.54-21,836.46-8,653.48

Finding the Fourth Proportional to 15,823.54, 21,836.46 and 8,653.48

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Solution

The fourth proportional to 15,823.54, 21,836.46 and 8,653.48 is: 11,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.54 : 21,836.46 = 8,653.48 : x
  2. Step 2: Convert to fraction form
    15,823.54/21,836.46 = 8,653.48/x
  3. Step 3: Cross multiply
    15,823.54x = 21,836.46 × 8,653.48
  4. Step 4: Simplify right side
    15,823.54x = 188,961,369.88
  5. Step 5: Solve for x
    x = 188,961,369.88/15,823.54
  6. Step 6: Final answer
    x = 11,941.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.