Home / 19,961.35-29,936.92-5,918.10

Finding the Fourth Proportional to 19,961.35, 29,936.92 and 5,918.10

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Solution

The fourth proportional to 19,961.35, 29,936.92 and 5,918.10 is: 8,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.35 : 29,936.92 = 5,918.10 : x
  2. Step 2: Convert to fraction form
    19,961.35/29,936.92 = 5,918.10/x
  3. Step 3: Cross multiply
    19,961.35x = 29,936.92 × 5,918.10
  4. Step 4: Simplify right side
    19,961.35x = 177,169,559.19
  5. Step 5: Solve for x
    x = 177,169,559.19/19,961.35
  6. Step 6: Final answer
    x = 8,875.63

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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.