Home / 19,409.86-26,782.33-10,910.85

Finding the Fourth Proportional to 19,409.86, 26,782.33 and 10,910.85

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Solution

The fourth proportional to 19,409.86, 26,782.33 and 10,910.85 is: 15,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.86 : 26,782.33 = 10,910.85 : x
  2. Step 2: Convert to fraction form
    19,409.86/26,782.33 = 10,910.85/x
  3. Step 3: Cross multiply
    19,409.86x = 26,782.33 × 10,910.85
  4. Step 4: Simplify right side
    19,409.86x = 292,218,028.68
  5. Step 5: Solve for x
    x = 292,218,028.68/19,409.86
  6. Step 6: Final answer
    x = 15,055.13

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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.