Home / 19,121.83-26,374.08-11,163.58

Finding the Fourth Proportional to 19,121.83, 26,374.08 and 11,163.58

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Solution

The fourth proportional to 19,121.83, 26,374.08 and 11,163.58 is: 15,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.83 : 26,374.08 = 11,163.58 : x
  2. Step 2: Convert to fraction form
    19,121.83/26,374.08 = 11,163.58/x
  3. Step 3: Cross multiply
    19,121.83x = 26,374.08 × 11,163.58
  4. Step 4: Simplify right side
    19,121.83x = 294,429,152.01
  5. Step 5: Solve for x
    x = 294,429,152.01/19,121.83
  6. Step 6: Final answer
    x = 15,397.54

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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.