Home / 19,451.10-29,175.21-7,602.66

Finding the Fourth Proportional to 19,451.10, 29,175.21 and 7,602.66

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Solution

The fourth proportional to 19,451.10, 29,175.21 and 7,602.66 is: 11,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.10 : 29,175.21 = 7,602.66 : x
  2. Step 2: Convert to fraction form
    19,451.10/29,175.21 = 7,602.66/x
  3. Step 3: Cross multiply
    19,451.10x = 29,175.21 × 7,602.66
  4. Step 4: Simplify right side
    19,451.10x = 221,809,202.06
  5. Step 5: Solve for x
    x = 221,809,202.06/19,451.10
  6. Step 6: Final answer
    x = 11,403.43

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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.