Home / 10,192.39-14,072.40-6,369.87

Finding the Fourth Proportional to 10,192.39, 14,072.40 and 6,369.87

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Solution

The fourth proportional to 10,192.39, 14,072.40 and 6,369.87 is: 8,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.39 : 14,072.40 = 6,369.87 : x
  2. Step 2: Convert to fraction form
    10,192.39/14,072.40 = 6,369.87/x
  3. Step 3: Cross multiply
    10,192.39x = 14,072.40 × 6,369.87
  4. Step 4: Simplify right side
    10,192.39x = 89,639,288.23
  5. Step 5: Solve for x
    x = 89,639,288.23/10,192.39
  6. Step 6: Final answer
    x = 8,794.73

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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.