Home / 18,945.86-26,145.48-10,448.33

Finding the Fourth Proportional to 18,945.86, 26,145.48 and 10,448.33

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Solution

The fourth proportional to 18,945.86, 26,145.48 and 10,448.33 is: 14,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.86 : 26,145.48 = 10,448.33 : x
  2. Step 2: Convert to fraction form
    18,945.86/26,145.48 = 10,448.33/x
  3. Step 3: Cross multiply
    18,945.86x = 26,145.48 × 10,448.33
  4. Step 4: Simplify right side
    18,945.86x = 273,176,472.32
  5. Step 5: Solve for x
    x = 273,176,472.32/18,945.86
  6. Step 6: Final answer
    x = 14,418.80

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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.