Home / 19,807.88-27,351.70-14,160.20

Finding the Fourth Proportional to 19,807.88, 27,351.70 and 14,160.20

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Solution

The fourth proportional to 19,807.88, 27,351.70 and 14,160.20 is: 19,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.88 : 27,351.70 = 14,160.20 : x
  2. Step 2: Convert to fraction form
    19,807.88/27,351.70 = 14,160.20/x
  3. Step 3: Cross multiply
    19,807.88x = 27,351.70 × 14,160.20
  4. Step 4: Simplify right side
    19,807.88x = 387,305,542.34
  5. Step 5: Solve for x
    x = 387,305,542.34/19,807.88
  6. Step 6: Final answer
    x = 19,553.10

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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.