Home / 14,359.67-19,816.32-7,986.09

Finding the Fourth Proportional to 14,359.67, 19,816.32 and 7,986.09

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Solution

The fourth proportional to 14,359.67, 19,816.32 and 7,986.09 is: 11,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.67 : 19,816.32 = 7,986.09 : x
  2. Step 2: Convert to fraction form
    14,359.67/19,816.32 = 7,986.09/x
  3. Step 3: Cross multiply
    14,359.67x = 19,816.32 × 7,986.09
  4. Step 4: Simplify right side
    14,359.67x = 158,254,914.99
  5. Step 5: Solve for x
    x = 158,254,914.99/14,359.67
  6. Step 6: Final answer
    x = 11,020.79

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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.