Home / 13,982.06-19,279.24-10,439.30

Finding the Fourth Proportional to 13,982.06, 19,279.24 and 10,439.30

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Solution

The fourth proportional to 13,982.06, 19,279.24 and 10,439.30 is: 14,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.06 : 19,279.24 = 10,439.30 : x
  2. Step 2: Convert to fraction form
    13,982.06/19,279.24 = 10,439.30/x
  3. Step 3: Cross multiply
    13,982.06x = 19,279.24 × 10,439.30
  4. Step 4: Simplify right side
    13,982.06x = 201,261,647.64
  5. Step 5: Solve for x
    x = 201,261,647.64/13,982.06
  6. Step 6: Final answer
    x = 14,394.28

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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.