Home / 13,839.36-19,098.68-8,537.68

Finding the Fourth Proportional to 13,839.36, 19,098.68 and 8,537.68

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Solution

The fourth proportional to 13,839.36, 19,098.68 and 8,537.68 is: 11,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.36 : 19,098.68 = 8,537.68 : x
  2. Step 2: Convert to fraction form
    13,839.36/19,098.68 = 8,537.68/x
  3. Step 3: Cross multiply
    13,839.36x = 19,098.68 × 8,537.68
  4. Step 4: Simplify right side
    13,839.36x = 163,058,418.26
  5. Step 5: Solve for x
    x = 163,058,418.26/13,839.36
  6. Step 6: Final answer
    x = 11,782.22

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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.