Home / 13,501.53-20,255.54-5,181.62

Finding the Fourth Proportional to 13,501.53, 20,255.54 and 5,181.62

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Solution

The fourth proportional to 13,501.53, 20,255.54 and 5,181.62 is: 7,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.53 : 20,255.54 = 5,181.62 : x
  2. Step 2: Convert to fraction form
    13,501.53/20,255.54 = 5,181.62/x
  3. Step 3: Cross multiply
    13,501.53x = 20,255.54 × 5,181.62
  4. Step 4: Simplify right side
    13,501.53x = 104,956,383.99
  5. Step 5: Solve for x
    x = 104,956,383.99/13,501.53
  6. Step 6: Final answer
    x = 7,773.67

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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.