Home / 15,033.06-20,738.70-9,729.59

Finding the Fourth Proportional to 15,033.06, 20,738.70 and 9,729.59

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Solution

The fourth proportional to 15,033.06, 20,738.70 and 9,729.59 is: 13,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.06 : 20,738.70 = 9,729.59 : x
  2. Step 2: Convert to fraction form
    15,033.06/20,738.70 = 9,729.59/x
  3. Step 3: Cross multiply
    15,033.06x = 20,738.70 × 9,729.59
  4. Step 4: Simplify right side
    15,033.06x = 201,778,944.44
  5. Step 5: Solve for x
    x = 201,778,944.44/15,033.06
  6. Step 6: Final answer
    x = 13,422.35

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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.