Home / 19,838.84-29,758.37-7,998.05

Finding the Fourth Proportional to 19,838.84, 29,758.37 and 7,998.05

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Solution

The fourth proportional to 19,838.84, 29,758.37 and 7,998.05 is: 11,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.84 : 29,758.37 = 7,998.05 : x
  2. Step 2: Convert to fraction form
    19,838.84/29,758.37 = 7,998.05/x
  3. Step 3: Cross multiply
    19,838.84x = 29,758.37 × 7,998.05
  4. Step 4: Simplify right side
    19,838.84x = 238,008,965.58
  5. Step 5: Solve for x
    x = 238,008,965.58/19,838.84
  6. Step 6: Final answer
    x = 11,997.12

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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.