Home / 13,937.88-19,219.32-11,099.64

Finding the Fourth Proportional to 13,937.88, 19,219.32 and 11,099.64

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Solution

The fourth proportional to 13,937.88, 19,219.32 and 11,099.64 is: 15,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.88 : 19,219.32 = 11,099.64 : x
  2. Step 2: Convert to fraction form
    13,937.88/19,219.32 = 11,099.64/x
  3. Step 3: Cross multiply
    13,937.88x = 19,219.32 × 11,099.64
  4. Step 4: Simplify right side
    13,937.88x = 213,327,533.04
  5. Step 5: Solve for x
    x = 213,327,533.04/13,937.88
  6. Step 6: Final answer
    x = 15,305.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.