Home / 15,885.78-23,828.94-5,497.80

Finding the Fourth Proportional to 15,885.78, 23,828.94 and 5,497.80

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Solution

The fourth proportional to 15,885.78, 23,828.94 and 5,497.80 is: 8,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.78 : 23,828.94 = 5,497.80 : x
  2. Step 2: Convert to fraction form
    15,885.78/23,828.94 = 5,497.80/x
  3. Step 3: Cross multiply
    15,885.78x = 23,828.94 × 5,497.80
  4. Step 4: Simplify right side
    15,885.78x = 131,006,746.33
  5. Step 5: Solve for x
    x = 131,006,746.33/15,885.78
  6. Step 6: Final answer
    x = 8,246.79

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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.