Home / 14,356.09-19,811.14-7,982.74

Finding the Fourth Proportional to 14,356.09, 19,811.14 and 7,982.74

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Solution

The fourth proportional to 14,356.09, 19,811.14 and 7,982.74 is: 11,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.09 : 19,811.14 = 7,982.74 : x
  2. Step 2: Convert to fraction form
    14,356.09/19,811.14 = 7,982.74/x
  3. Step 3: Cross multiply
    14,356.09x = 19,811.14 × 7,982.74
  4. Step 4: Simplify right side
    14,356.09x = 158,147,179.72
  5. Step 5: Solve for x
    x = 158,147,179.72/14,356.09
  6. Step 6: Final answer
    x = 11,016.03

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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.