Home / 12,524.26-17,283.36-7,220.20

Finding the Fourth Proportional to 12,524.26, 17,283.36 and 7,220.20

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Solution

The fourth proportional to 12,524.26, 17,283.36 and 7,220.20 is: 9,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.26 : 17,283.36 = 7,220.20 : x
  2. Step 2: Convert to fraction form
    12,524.26/17,283.36 = 7,220.20/x
  3. Step 3: Cross multiply
    12,524.26x = 17,283.36 × 7,220.20
  4. Step 4: Simplify right side
    12,524.26x = 124,789,315.87
  5. Step 5: Solve for x
    x = 124,789,315.87/12,524.26
  6. Step 6: Final answer
    x = 9,963.81

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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.