Home / 19,604.41-29,388.79-7,119.07

Finding the Fourth Proportional to 19,604.41, 29,388.79 and 7,119.07

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Solution

The fourth proportional to 19,604.41, 29,388.79 and 7,119.07 is: 10,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.41 : 29,388.79 = 7,119.07 : x
  2. Step 2: Convert to fraction form
    19,604.41/29,388.79 = 7,119.07/x
  3. Step 3: Cross multiply
    19,604.41x = 29,388.79 × 7,119.07
  4. Step 4: Simplify right side
    19,604.41x = 209,220,761.96
  5. Step 5: Solve for x
    x = 209,220,761.96/19,604.41
  6. Step 6: Final answer
    x = 10,672.13

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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.