Home / 13,949.14-19,253.26-7,984.21

Finding the Fourth Proportional to 13,949.14, 19,253.26 and 7,984.21

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Solution

The fourth proportional to 13,949.14, 19,253.26 and 7,984.21 is: 11,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.14 : 19,253.26 = 7,984.21 : x
  2. Step 2: Convert to fraction form
    13,949.14/19,253.26 = 7,984.21/x
  3. Step 3: Cross multiply
    13,949.14x = 19,253.26 × 7,984.21
  4. Step 4: Simplify right side
    13,949.14x = 153,722,071.02
  5. Step 5: Solve for x
    x = 153,722,071.02/13,949.14
  6. Step 6: Final answer
    x = 11,020.18

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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.