Home / 19,010.86-26,238-11,458.42

Finding the Fourth Proportional to 19,010.86, 26,238 and 11,458.42

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Solution

The fourth proportional to 19,010.86, 26,238 and 11,458.42 is: 15,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.86 : 26,238 = 11,458.42 : x
  2. Step 2: Convert to fraction form
    19,010.86/26,238 = 11,458.42/x
  3. Step 3: Cross multiply
    19,010.86x = 26,238 × 11,458.42
  4. Step 4: Simplify right side
    19,010.86x = 300,646,023.96
  5. Step 5: Solve for x
    x = 300,646,023.96/19,010.86
  6. Step 6: Final answer
    x = 15,814.44

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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.