Home / 13,399.99-20,083.96-4,630.03

Finding the Fourth Proportional to 13,399.99, 20,083.96 and 4,630.03

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Solution

The fourth proportional to 13,399.99, 20,083.96 and 4,630.03 is: 6,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.99 : 20,083.96 = 4,630.03 : x
  2. Step 2: Convert to fraction form
    13,399.99/20,083.96 = 4,630.03/x
  3. Step 3: Cross multiply
    13,399.99x = 20,083.96 × 4,630.03
  4. Step 4: Simplify right side
    13,399.99x = 92,989,337.32
  5. Step 5: Solve for x
    x = 92,989,337.32/13,399.99
  6. Step 6: Final answer
    x = 6,939.51

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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.