Home / 13,378.37-20,068.41-4,493.34

Finding the Fourth Proportional to 13,378.37, 20,068.41 and 4,493.34

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Solution

The fourth proportional to 13,378.37, 20,068.41 and 4,493.34 is: 6,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.37 : 20,068.41 = 4,493.34 : x
  2. Step 2: Convert to fraction form
    13,378.37/20,068.41 = 4,493.34/x
  3. Step 3: Cross multiply
    13,378.37x = 20,068.41 × 4,493.34
  4. Step 4: Simplify right side
    13,378.37x = 90,174,189.39
  5. Step 5: Solve for x
    x = 90,174,189.39/13,378.37
  6. Step 6: Final answer
    x = 6,740.30

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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.