Home / 13,487.37-20,240.16-4,722.36

Finding the Fourth Proportional to 13,487.37, 20,240.16 and 4,722.36

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Solution

The fourth proportional to 13,487.37, 20,240.16 and 4,722.36 is: 7,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.37 : 20,240.16 = 4,722.36 : x
  2. Step 2: Convert to fraction form
    13,487.37/20,240.16 = 4,722.36/x
  3. Step 3: Cross multiply
    13,487.37x = 20,240.16 × 4,722.36
  4. Step 4: Simplify right side
    13,487.37x = 95,581,321.98
  5. Step 5: Solve for x
    x = 95,581,321.98/13,487.37
  6. Step 6: Final answer
    x = 7,086.73

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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.