Home / 19,998.28-29,988.78-6,144.04

Finding the Fourth Proportional to 19,998.28, 29,988.78 and 6,144.04

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Solution

The fourth proportional to 19,998.28, 29,988.78 and 6,144.04 is: 9,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.28 : 29,988.78 = 6,144.04 : x
  2. Step 2: Convert to fraction form
    19,998.28/29,988.78 = 6,144.04/x
  3. Step 3: Cross multiply
    19,998.28x = 29,988.78 × 6,144.04
  4. Step 4: Simplify right side
    19,998.28x = 184,252,263.87
  5. Step 5: Solve for x
    x = 184,252,263.87/19,998.28
  6. Step 6: Final answer
    x = 9,213.41

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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.