Home / 19,155.90-26,422.23-12,076.38

Finding the Fourth Proportional to 19,155.90, 26,422.23 and 12,076.38

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Solution

The fourth proportional to 19,155.90, 26,422.23 and 12,076.38 is: 16,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.90 : 26,422.23 = 12,076.38 : x
  2. Step 2: Convert to fraction form
    19,155.90/26,422.23 = 12,076.38/x
  3. Step 3: Cross multiply
    19,155.90x = 26,422.23 × 12,076.38
  4. Step 4: Simplify right side
    19,155.90x = 319,084,889.93
  5. Step 5: Solve for x
    x = 319,084,889.93/19,155.90
  6. Step 6: Final answer
    x = 16,657.26

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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.