Home / 19,120-26,387.04-11,669.44

Finding the Fourth Proportional to 19,120, 26,387.04 and 11,669.44

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Solution

The fourth proportional to 19,120, 26,387.04 and 11,669.44 is: 16,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120 : 26,387.04 = 11,669.44 : x
  2. Step 2: Convert to fraction form
    19,120/26,387.04 = 11,669.44/x
  3. Step 3: Cross multiply
    19,120x = 26,387.04 × 11,669.44
  4. Step 4: Simplify right side
    19,120x = 307,921,980.06
  5. Step 5: Solve for x
    x = 307,921,980.06/19,120
  6. Step 6: Final answer
    x = 16,104.71

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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.