Home / 13,454.72-20,181.26-5,019.58

Finding the Fourth Proportional to 13,454.72, 20,181.26 and 5,019.58

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Solution

The fourth proportional to 13,454.72, 20,181.26 and 5,019.58 is: 7,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.72 : 20,181.26 = 5,019.58 : x
  2. Step 2: Convert to fraction form
    13,454.72/20,181.26 = 5,019.58/x
  3. Step 3: Cross multiply
    13,454.72x = 20,181.26 × 5,019.58
  4. Step 4: Simplify right side
    13,454.72x = 101,301,522.29
  5. Step 5: Solve for x
    x = 101,301,522.29/13,454.72
  6. Step 6: Final answer
    x = 7,529.07

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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.