Home / 19,382.40-26,736.48-13,083.84

Finding the Fourth Proportional to 19,382.40, 26,736.48 and 13,083.84

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Solution

The fourth proportional to 19,382.40, 26,736.48 and 13,083.84 is: 18,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.40 : 26,736.48 = 13,083.84 : x
  2. Step 2: Convert to fraction form
    19,382.40/26,736.48 = 13,083.84/x
  3. Step 3: Cross multiply
    19,382.40x = 26,736.48 × 13,083.84
  4. Step 4: Simplify right side
    19,382.40x = 349,815,826.48
  5. Step 5: Solve for x
    x = 349,815,826.48/19,382.40
  6. Step 6: Final answer
    x = 18,048.12

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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.