Home / 13,529.57-20,294.37-4,762.44

Finding the Fourth Proportional to 13,529.57, 20,294.37 and 4,762.44

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Solution

The fourth proportional to 13,529.57, 20,294.37 and 4,762.44 is: 7,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.57 : 20,294.37 = 4,762.44 : x
  2. Step 2: Convert to fraction form
    13,529.57/20,294.37 = 4,762.44/x
  3. Step 3: Cross multiply
    13,529.57x = 20,294.37 × 4,762.44
  4. Step 4: Simplify right side
    13,529.57x = 96,650,719.46
  5. Step 5: Solve for x
    x = 96,650,719.46/13,529.57
  6. Step 6: Final answer
    x = 7,143.67

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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.