Home / 11,330.94-15,632.32-8,353.85

Finding the Fourth Proportional to 11,330.94, 15,632.32 and 8,353.85

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Solution

The fourth proportional to 11,330.94, 15,632.32 and 8,353.85 is: 11,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.94 : 15,632.32 = 8,353.85 : x
  2. Step 2: Convert to fraction form
    11,330.94/15,632.32 = 8,353.85/x
  3. Step 3: Cross multiply
    11,330.94x = 15,632.32 × 8,353.85
  4. Step 4: Simplify right side
    11,330.94x = 130,590,056.43
  5. Step 5: Solve for x
    x = 130,590,056.43/11,330.94
  6. Step 6: Final answer
    x = 11,525.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.