Home / 7,972.56-11,953.86-6,942.24

Finding the Fourth Proportional to 7,972.56, 11,953.86 and 6,942.24

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Solution

The fourth proportional to 7,972.56, 11,953.86 and 6,942.24 is: 10,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.56 : 11,953.86 = 6,942.24 : x
  2. Step 2: Convert to fraction form
    7,972.56/11,953.86 = 6,942.24/x
  3. Step 3: Cross multiply
    7,972.56x = 11,953.86 × 6,942.24
  4. Step 4: Simplify right side
    7,972.56x = 82,986,565.05
  5. Step 5: Solve for x
    x = 82,986,565.05/7,972.56
  6. Step 6: Final answer
    x = 10,409.02

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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.