Home / 9,474.24-14,181.60-7,815.36

Finding the Fourth Proportional to 9,474.24, 14,181.60 and 7,815.36

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Solution

The fourth proportional to 9,474.24, 14,181.60 and 7,815.36 is: 11,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,474.24 : 14,181.60 = 7,815.36 : x
  2. Step 2: Convert to fraction form
    9,474.24/14,181.60 = 7,815.36/x
  3. Step 3: Cross multiply
    9,474.24x = 14,181.60 × 7,815.36
  4. Step 4: Simplify right side
    9,474.24x = 110,834,309.38
  5. Step 5: Solve for x
    x = 110,834,309.38/9,474.24
  6. Step 6: Final answer
    x = 11,698.49

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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.