Home / 13,279.77-19,893.74-10,344.33

Finding the Fourth Proportional to 13,279.77, 19,893.74 and 10,344.33

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Solution

The fourth proportional to 13,279.77, 19,893.74 and 10,344.33 is: 15,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.77 : 19,893.74 = 10,344.33 : x
  2. Step 2: Convert to fraction form
    13,279.77/19,893.74 = 10,344.33/x
  3. Step 3: Cross multiply
    13,279.77x = 19,893.74 × 10,344.33
  4. Step 4: Simplify right side
    13,279.77x = 205,787,359.77
  5. Step 5: Solve for x
    x = 205,787,359.77/13,279.77
  6. Step 6: Final answer
    x = 15,496.30

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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.