Home / 19,487.66-29,213.87-7,004.75

Finding the Fourth Proportional to 19,487.66, 29,213.87 and 7,004.75

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Solution

The fourth proportional to 19,487.66, 29,213.87 and 7,004.75 is: 10,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.66 : 29,213.87 = 7,004.75 : x
  2. Step 2: Convert to fraction form
    19,487.66/29,213.87 = 7,004.75/x
  3. Step 3: Cross multiply
    19,487.66x = 29,213.87 × 7,004.75
  4. Step 4: Simplify right side
    19,487.66x = 204,635,674.79
  5. Step 5: Solve for x
    x = 204,635,674.79/19,487.66
  6. Step 6: Final answer
    x = 10,500.78

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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.