Home / 13,529.40-20,294.10-3,668.67

Finding the Fourth Proportional to 13,529.40, 20,294.10 and 3,668.67

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Solution

The fourth proportional to 13,529.40, 20,294.10 and 3,668.67 is: 5,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.40 : 20,294.10 = 3,668.67 : x
  2. Step 2: Convert to fraction form
    13,529.40/20,294.10 = 3,668.67/x
  3. Step 3: Cross multiply
    13,529.40x = 20,294.10 × 3,668.67
  4. Step 4: Simplify right side
    13,529.40x = 74,452,355.85
  5. Step 5: Solve for x
    x = 74,452,355.85/13,529.40
  6. Step 6: Final answer
    x = 5,503.01

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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.