Home / 19,451.09-29,175.22-7,602.65

Finding the Fourth Proportional to 19,451.09, 29,175.22 and 7,602.65

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Solution

The fourth proportional to 19,451.09, 29,175.22 and 7,602.65 is: 11,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.09 : 29,175.22 = 7,602.65 : x
  2. Step 2: Convert to fraction form
    19,451.09/29,175.22 = 7,602.65/x
  3. Step 3: Cross multiply
    19,451.09x = 29,175.22 × 7,602.65
  4. Step 4: Simplify right side
    19,451.09x = 221,808,986.33
  5. Step 5: Solve for x
    x = 221,808,986.33/19,451.09
  6. Step 6: Final answer
    x = 11,403.42

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Double scale
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Similar ratio
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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.