Home / 13,389.60-20,082.36-5,073.54

Finding the Fourth Proportional to 13,389.60, 20,082.36 and 5,073.54

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Solution

The fourth proportional to 13,389.60, 20,082.36 and 5,073.54 is: 7,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.60 : 20,082.36 = 5,073.54 : x
  2. Step 2: Convert to fraction form
    13,389.60/20,082.36 = 5,073.54/x
  3. Step 3: Cross multiply
    13,389.60x = 20,082.36 × 5,073.54
  4. Step 4: Simplify right side
    13,389.60x = 101,888,656.75
  5. Step 5: Solve for x
    x = 101,888,656.75/13,389.60
  6. Step 6: Final answer
    x = 7,609.54

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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.