Home / 10,935.07-16,365.44-8,154.85

Finding the Fourth Proportional to 10,935.07, 16,365.44 and 8,154.85

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Solution

The fourth proportional to 10,935.07, 16,365.44 and 8,154.85 is: 12,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.07 : 16,365.44 = 8,154.85 : x
  2. Step 2: Convert to fraction form
    10,935.07/16,365.44 = 8,154.85/x
  3. Step 3: Cross multiply
    10,935.07x = 16,365.44 × 8,154.85
  4. Step 4: Simplify right side
    10,935.07x = 133,457,708.38
  5. Step 5: Solve for x
    x = 133,457,708.38/10,935.07
  6. Step 6: Final answer
    x = 12,204.56

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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.