Home / 11,222.37-15,479.78-8,029.35

Finding the Fourth Proportional to 11,222.37, 15,479.78 and 8,029.35

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Solution

The fourth proportional to 11,222.37, 15,479.78 and 8,029.35 is: 11,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.37 : 15,479.78 = 8,029.35 : x
  2. Step 2: Convert to fraction form
    11,222.37/15,479.78 = 8,029.35/x
  3. Step 3: Cross multiply
    11,222.37x = 15,479.78 × 8,029.35
  4. Step 4: Simplify right side
    11,222.37x = 124,292,531.40
  5. Step 5: Solve for x
    x = 124,292,531.40/11,222.37
  6. Step 6: Final answer
    x = 11,075.43

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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.