Home / 13,003.13-19,507.62-4,118.99

Finding the Fourth Proportional to 13,003.13, 19,507.62 and 4,118.99

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Solution

The fourth proportional to 13,003.13, 19,507.62 and 4,118.99 is: 6,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.13 : 19,507.62 = 4,118.99 : x
  2. Step 2: Convert to fraction form
    13,003.13/19,507.62 = 4,118.99/x
  3. Step 3: Cross multiply
    13,003.13x = 19,507.62 × 4,118.99
  4. Step 4: Simplify right side
    13,003.13x = 80,351,671.11
  5. Step 5: Solve for x
    x = 80,351,671.11/13,003.13
  6. Step 6: Final answer
    x = 6,179.41

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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.