Home / 13,338.28-20,013.29-7,096.83

Finding the Fourth Proportional to 13,338.28, 20,013.29 and 7,096.83

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Solution

The fourth proportional to 13,338.28, 20,013.29 and 7,096.83 is: 10,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.28 : 20,013.29 = 7,096.83 : x
  2. Step 2: Convert to fraction form
    13,338.28/20,013.29 = 7,096.83/x
  3. Step 3: Cross multiply
    13,338.28x = 20,013.29 × 7,096.83
  4. Step 4: Simplify right side
    13,338.28x = 142,030,916.87
  5. Step 5: Solve for x
    x = 142,030,916.87/13,338.28
  6. Step 6: Final answer
    x = 10,648.37

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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.