Home / 13,837.68-20,763.81-10,571.76

Finding the Fourth Proportional to 13,837.68, 20,763.81 and 10,571.76

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Solution

The fourth proportional to 13,837.68, 20,763.81 and 10,571.76 is: 15,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.68 : 20,763.81 = 10,571.76 : x
  2. Step 2: Convert to fraction form
    13,837.68/20,763.81 = 10,571.76/x
  3. Step 3: Cross multiply
    13,837.68x = 20,763.81 × 10,571.76
  4. Step 4: Simplify right side
    13,837.68x = 219,510,016.01
  5. Step 5: Solve for x
    x = 219,510,016.01/13,837.68
  6. Step 6: Final answer
    x = 15,863.21

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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.