Home / 14,182.44-21,380.64-13,231.32

Finding the Fourth Proportional to 14,182.44, 21,380.64 and 13,231.32

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Solution

The fourth proportional to 14,182.44, 21,380.64 and 13,231.32 is: 19,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.44 : 21,380.64 = 13,231.32 : x
  2. Step 2: Convert to fraction form
    14,182.44/21,380.64 = 13,231.32/x
  3. Step 3: Cross multiply
    14,182.44x = 21,380.64 × 13,231.32
  4. Step 4: Simplify right side
    14,182.44x = 282,894,089.64
  5. Step 5: Solve for x
    x = 282,894,089.64/14,182.44
  6. Step 6: Final answer
    x = 19,946.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.