Home / 9,974.24-14,961.48-4,778.96

Finding the Fourth Proportional to 9,974.24, 14,961.48 and 4,778.96

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Solution

The fourth proportional to 9,974.24, 14,961.48 and 4,778.96 is: 7,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.24 : 14,961.48 = 4,778.96 : x
  2. Step 2: Convert to fraction form
    9,974.24/14,961.48 = 4,778.96/x
  3. Step 3: Cross multiply
    9,974.24x = 14,961.48 × 4,778.96
  4. Step 4: Simplify right side
    9,974.24x = 71,500,314.46
  5. Step 5: Solve for x
    x = 71,500,314.46/9,974.24
  6. Step 6: Final answer
    x = 7,168.50

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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.