Home / 19,908.99-29,861.66-6,760.56

Finding the Fourth Proportional to 19,908.99, 29,861.66 and 6,760.56

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Solution

The fourth proportional to 19,908.99, 29,861.66 and 6,760.56 is: 10,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.99 : 29,861.66 = 6,760.56 : x
  2. Step 2: Convert to fraction form
    19,908.99/29,861.66 = 6,760.56/x
  3. Step 3: Cross multiply
    19,908.99x = 29,861.66 × 6,760.56
  4. Step 4: Simplify right side
    19,908.99x = 201,881,673.01
  5. Step 5: Solve for x
    x = 201,881,673.01/19,908.99
  6. Step 6: Final answer
    x = 10,140.23

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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.