Home / 19,184.80-26,443.92-13,879.84

Finding the Fourth Proportional to 19,184.80, 26,443.92 and 13,879.84

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Solution

The fourth proportional to 19,184.80, 26,443.92 and 13,879.84 is: 19,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.80 : 26,443.92 = 13,879.84 : x
  2. Step 2: Convert to fraction form
    19,184.80/26,443.92 = 13,879.84/x
  3. Step 3: Cross multiply
    19,184.80x = 26,443.92 × 13,879.84
  4. Step 4: Simplify right side
    19,184.80x = 367,037,378.57
  5. Step 5: Solve for x
    x = 367,037,378.57/19,184.80
  6. Step 6: Final answer
    x = 19,131.68

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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.