Home / 15,863.85-23,788.08-4,768.47

Finding the Fourth Proportional to 15,863.85, 23,788.08 and 4,768.47

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Solution

The fourth proportional to 15,863.85, 23,788.08 and 4,768.47 is: 7,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.85 : 23,788.08 = 4,768.47 : x
  2. Step 2: Convert to fraction form
    15,863.85/23,788.08 = 4,768.47/x
  3. Step 3: Cross multiply
    15,863.85x = 23,788.08 × 4,768.47
  4. Step 4: Simplify right side
    15,863.85x = 113,432,745.84
  5. Step 5: Solve for x
    x = 113,432,745.84/15,863.85
  6. Step 6: Final answer
    x = 7,150.39

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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.