Home / 15,046.24-20,740.80-11,853.60

Finding the Fourth Proportional to 15,046.24, 20,740.80 and 11,853.60

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Solution

The fourth proportional to 15,046.24, 20,740.80 and 11,853.60 is: 16,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.24 : 20,740.80 = 11,853.60 : x
  2. Step 2: Convert to fraction form
    15,046.24/20,740.80 = 11,853.60/x
  3. Step 3: Cross multiply
    15,046.24x = 20,740.80 × 11,853.60
  4. Step 4: Simplify right side
    15,046.24x = 245,853,146.88
  5. Step 5: Solve for x
    x = 245,853,146.88/15,046.24
  6. Step 6: Final answer
    x = 16,339.84

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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.