Home / 17,537.88-26,264.79-12,781.29

Finding the Fourth Proportional to 17,537.88, 26,264.79 and 12,781.29

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Solution

The fourth proportional to 17,537.88, 26,264.79 and 12,781.29 is: 19,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,537.88 : 26,264.79 = 12,781.29 : x
  2. Step 2: Convert to fraction form
    17,537.88/26,264.79 = 12,781.29/x
  3. Step 3: Cross multiply
    17,537.88x = 26,264.79 × 12,781.29
  4. Step 4: Simplify right side
    17,537.88x = 335,697,897.78
  5. Step 5: Solve for x
    x = 335,697,897.78/17,537.88
  6. Step 6: Final answer
    x = 19,141.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.