Home / 19,879.70-27,433.49-10,804.66

Finding the Fourth Proportional to 19,879.70, 27,433.49 and 10,804.66

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Solution

The fourth proportional to 19,879.70, 27,433.49 and 10,804.66 is: 14,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.70 : 27,433.49 = 10,804.66 : x
  2. Step 2: Convert to fraction form
    19,879.70/27,433.49 = 10,804.66/x
  3. Step 3: Cross multiply
    19,879.70x = 27,433.49 × 10,804.66
  4. Step 4: Simplify right side
    19,879.70x = 296,409,409.46
  5. Step 5: Solve for x
    x = 296,409,409.46/19,879.70
  6. Step 6: Final answer
    x = 14,910.16

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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.