Home / 14,646.06-21,969.36-5,286.78

Finding the Fourth Proportional to 14,646.06, 21,969.36 and 5,286.78

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Solution

The fourth proportional to 14,646.06, 21,969.36 and 5,286.78 is: 7,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.06 : 21,969.36 = 5,286.78 : x
  2. Step 2: Convert to fraction form
    14,646.06/21,969.36 = 5,286.78/x
  3. Step 3: Cross multiply
    14,646.06x = 21,969.36 × 5,286.78
  4. Step 4: Simplify right side
    14,646.06x = 116,147,173.06
  5. Step 5: Solve for x
    x = 116,147,173.06/14,646.06
  6. Step 6: Final answer
    x = 7,930.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.