Home / 13,665.24-20,496.78-5,343.66

Finding the Fourth Proportional to 13,665.24, 20,496.78 and 5,343.66

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Solution

The fourth proportional to 13,665.24, 20,496.78 and 5,343.66 is: 8,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.24 : 20,496.78 = 5,343.66 : x
  2. Step 2: Convert to fraction form
    13,665.24/20,496.78 = 5,343.66/x
  3. Step 3: Cross multiply
    13,665.24x = 20,496.78 × 5,343.66
  4. Step 4: Simplify right side
    13,665.24x = 109,527,823.41
  5. Step 5: Solve for x
    x = 109,527,823.41/13,665.24
  6. Step 6: Final answer
    x = 8,015.07

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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.