Home / 13,244.42-19,959.67-11,929.83

Finding the Fourth Proportional to 13,244.42, 19,959.67 and 11,929.83

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Solution

The fourth proportional to 13,244.42, 19,959.67 and 11,929.83 is: 17,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.42 : 19,959.67 = 11,929.83 : x
  2. Step 2: Convert to fraction form
    13,244.42/19,959.67 = 11,929.83/x
  3. Step 3: Cross multiply
    13,244.42x = 19,959.67 × 11,929.83
  4. Step 4: Simplify right side
    13,244.42x = 238,115,340.33
  5. Step 5: Solve for x
    x = 238,115,340.33/13,244.42
  6. Step 6: Final answer
    x = 17,978.54

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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.