Home / 19,611.36-29,418.48-7,924.32

Finding the Fourth Proportional to 19,611.36, 29,418.48 and 7,924.32

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Solution

The fourth proportional to 19,611.36, 29,418.48 and 7,924.32 is: 11,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.36 : 29,418.48 = 7,924.32 : x
  2. Step 2: Convert to fraction form
    19,611.36/29,418.48 = 7,924.32/x
  3. Step 3: Cross multiply
    19,611.36x = 29,418.48 × 7,924.32
  4. Step 4: Simplify right side
    19,611.36x = 233,121,449.43
  5. Step 5: Solve for x
    x = 233,121,449.43/19,611.36
  6. Step 6: Final answer
    x = 11,887.06

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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.