Home / 19,755.89-29,649.41-8,670.23

Finding the Fourth Proportional to 19,755.89, 29,649.41 and 8,670.23

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Solution

The fourth proportional to 19,755.89, 29,649.41 and 8,670.23 is: 13,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.89 : 29,649.41 = 8,670.23 : x
  2. Step 2: Convert to fraction form
    19,755.89/29,649.41 = 8,670.23/x
  3. Step 3: Cross multiply
    19,755.89x = 29,649.41 × 8,670.23
  4. Step 4: Simplify right side
    19,755.89x = 257,067,012.47
  5. Step 5: Solve for x
    x = 257,067,012.47/19,755.89
  6. Step 6: Final answer
    x = 13,012.17

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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.