Home / 19,019.94-28,529.64-5,168.94

Finding the Fourth Proportional to 19,019.94, 28,529.64 and 5,168.94

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Solution

The fourth proportional to 19,019.94, 28,529.64 and 5,168.94 is: 7,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.94 : 28,529.64 = 5,168.94 : x
  2. Step 2: Convert to fraction form
    19,019.94/28,529.64 = 5,168.94/x
  3. Step 3: Cross multiply
    19,019.94x = 28,529.64 × 5,168.94
  4. Step 4: Simplify right side
    19,019.94x = 147,467,997.38
  5. Step 5: Solve for x
    x = 147,467,997.38/19,019.94
  6. Step 6: Final answer
    x = 7,753.34

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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.