Home / 14,190.24-19,581.36-7,902

Finding the Fourth Proportional to 14,190.24, 19,581.36 and 7,902

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Solution

The fourth proportional to 14,190.24, 19,581.36 and 7,902 is: 10,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.24 : 19,581.36 = 7,902 : x
  2. Step 2: Convert to fraction form
    14,190.24/19,581.36 = 7,902/x
  3. Step 3: Cross multiply
    14,190.24x = 19,581.36 × 7,902
  4. Step 4: Simplify right side
    14,190.24x = 154,731,906.72
  5. Step 5: Solve for x
    x = 154,731,906.72/14,190.24
  6. Step 6: Final answer
    x = 10,904.11

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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.