Home / 19,539.96-26,958.06-12,469.56

Finding the Fourth Proportional to 19,539.96, 26,958.06 and 12,469.56

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Solution

The fourth proportional to 19,539.96, 26,958.06 and 12,469.56 is: 17,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.96 : 26,958.06 = 12,469.56 : x
  2. Step 2: Convert to fraction form
    19,539.96/26,958.06 = 12,469.56/x
  3. Step 3: Cross multiply
    19,539.96x = 26,958.06 × 12,469.56
  4. Step 4: Simplify right side
    19,539.96x = 336,155,146.65
  5. Step 5: Solve for x
    x = 336,155,146.65/19,539.96
  6. Step 6: Final answer
    x = 17,203.47

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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.