Home / 14,078.44-19,428.86-7,790.82

Finding the Fourth Proportional to 14,078.44, 19,428.86 and 7,790.82

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Solution

The fourth proportional to 14,078.44, 19,428.86 and 7,790.82 is: 10,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.44 : 19,428.86 = 7,790.82 : x
  2. Step 2: Convert to fraction form
    14,078.44/19,428.86 = 7,790.82/x
  3. Step 3: Cross multiply
    14,078.44x = 19,428.86 × 7,790.82
  4. Step 4: Simplify right side
    14,078.44x = 151,366,614.97
  5. Step 5: Solve for x
    x = 151,366,614.97/14,078.44
  6. Step 6: Final answer
    x = 10,751.66

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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.