Home / 13,226.50-19,844.75-6,986.26

Finding the Fourth Proportional to 13,226.50, 19,844.75 and 6,986.26

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Solution

The fourth proportional to 13,226.50, 19,844.75 and 6,986.26 is: 10,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.50 : 19,844.75 = 6,986.26 : x
  2. Step 2: Convert to fraction form
    13,226.50/19,844.75 = 6,986.26/x
  3. Step 3: Cross multiply
    13,226.50x = 19,844.75 × 6,986.26
  4. Step 4: Simplify right side
    13,226.50x = 138,640,583.14
  5. Step 5: Solve for x
    x = 138,640,583.14/13,226.50
  6. Step 6: Final answer
    x = 10,482.03

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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.