Home / 19,617.88-27,058.97-12,901.36

Finding the Fourth Proportional to 19,617.88, 27,058.97 and 12,901.36

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Solution

The fourth proportional to 19,617.88, 27,058.97 and 12,901.36 is: 17,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.88 : 27,058.97 = 12,901.36 : x
  2. Step 2: Convert to fraction form
    19,617.88/27,058.97 = 12,901.36/x
  3. Step 3: Cross multiply
    19,617.88x = 27,058.97 × 12,901.36
  4. Step 4: Simplify right side
    19,617.88x = 349,097,513.20
  5. Step 5: Solve for x
    x = 349,097,513.20/19,617.88
  6. Step 6: Final answer
    x = 17,794.86

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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.