Home / 13,660.86-20,496.42-7,082.94

Finding the Fourth Proportional to 13,660.86, 20,496.42 and 7,082.94

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Solution

The fourth proportional to 13,660.86, 20,496.42 and 7,082.94 is: 10,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.86 : 20,496.42 = 7,082.94 : x
  2. Step 2: Convert to fraction form
    13,660.86/20,496.42 = 7,082.94/x
  3. Step 3: Cross multiply
    13,660.86x = 20,496.42 × 7,082.94
  4. Step 4: Simplify right side
    13,660.86x = 145,174,913.07
  5. Step 5: Solve for x
    x = 145,174,913.07/13,660.86
  6. Step 6: Final answer
    x = 10,627.07

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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.