Home / 12,469.24-17,207.32-6,803.80

Finding the Fourth Proportional to 12,469.24, 17,207.32 and 6,803.80

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Solution

The fourth proportional to 12,469.24, 17,207.32 and 6,803.80 is: 9,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.24 : 17,207.32 = 6,803.80 : x
  2. Step 2: Convert to fraction form
    12,469.24/17,207.32 = 6,803.80/x
  3. Step 3: Cross multiply
    12,469.24x = 17,207.32 × 6,803.80
  4. Step 4: Simplify right side
    12,469.24x = 117,075,163.82
  5. Step 5: Solve for x
    x = 117,075,163.82/12,469.24
  6. Step 6: Final answer
    x = 9,389.12

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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.