Home / 19,481.93-26,881.64-11,521.25

Finding the Fourth Proportional to 19,481.93, 26,881.64 and 11,521.25

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Solution

The fourth proportional to 19,481.93, 26,881.64 and 11,521.25 is: 15,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.93 : 26,881.64 = 11,521.25 : x
  2. Step 2: Convert to fraction form
    19,481.93/26,881.64 = 11,521.25/x
  3. Step 3: Cross multiply
    19,481.93x = 26,881.64 × 11,521.25
  4. Step 4: Simplify right side
    19,481.93x = 309,709,902.84
  5. Step 5: Solve for x
    x = 309,709,902.84/19,481.93
  6. Step 6: Final answer
    x = 15,897.29

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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.