Home / 13,892.43-19,180.50-12,397.77

Finding the Fourth Proportional to 13,892.43, 19,180.50 and 12,397.77

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Solution

The fourth proportional to 13,892.43, 19,180.50 and 12,397.77 is: 17,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.43 : 19,180.50 = 12,397.77 : x
  2. Step 2: Convert to fraction form
    13,892.43/19,180.50 = 12,397.77/x
  3. Step 3: Cross multiply
    13,892.43x = 19,180.50 × 12,397.77
  4. Step 4: Simplify right side
    13,892.43x = 237,795,427.49
  5. Step 5: Solve for x
    x = 237,795,427.49/13,892.43
  6. Step 6: Final answer
    x = 17,116.91

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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.