Home / 19,975.14-29,953.44-11,657.55

Finding the Fourth Proportional to 19,975.14, 29,953.44 and 11,657.55

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Solution

The fourth proportional to 19,975.14, 29,953.44 and 11,657.55 is: 17,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.14 : 29,953.44 = 11,657.55 : x
  2. Step 2: Convert to fraction form
    19,975.14/29,953.44 = 11,657.55/x
  3. Step 3: Cross multiply
    19,975.14x = 29,953.44 × 11,657.55
  4. Step 4: Simplify right side
    19,975.14x = 349,183,724.47
  5. Step 5: Solve for x
    x = 349,183,724.47/19,975.14
  6. Step 6: Final answer
    x = 17,480.92

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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.