Home / 19,937.82-27,514.29-10,985.85

Finding the Fourth Proportional to 19,937.82, 27,514.29 and 10,985.85

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Solution

The fourth proportional to 19,937.82, 27,514.29 and 10,985.85 is: 15,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.82 : 27,514.29 = 10,985.85 : x
  2. Step 2: Convert to fraction form
    19,937.82/27,514.29 = 10,985.85/x
  3. Step 3: Cross multiply
    19,937.82x = 27,514.29 × 10,985.85
  4. Step 4: Simplify right side
    19,937.82x = 302,267,862.80
  5. Step 5: Solve for x
    x = 302,267,862.80/19,937.82
  6. Step 6: Final answer
    x = 15,160.53

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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.