Home / 13,114.11-19,679.37-5,322.93

Finding the Fourth Proportional to 13,114.11, 19,679.37 and 5,322.93

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Solution

The fourth proportional to 13,114.11, 19,679.37 and 5,322.93 is: 7,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.11 : 19,679.37 = 5,322.93 : x
  2. Step 2: Convert to fraction form
    13,114.11/19,679.37 = 5,322.93/x
  3. Step 3: Cross multiply
    13,114.11x = 19,679.37 × 5,322.93
  4. Step 4: Simplify right side
    13,114.11x = 104,751,908.95
  5. Step 5: Solve for x
    x = 104,751,908.95/13,114.11
  6. Step 6: Final answer
    x = 7,987.73

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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.