Home / 18,784.24-28,186.06-8,261.64

Finding the Fourth Proportional to 18,784.24, 28,186.06 and 8,261.64

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Solution

The fourth proportional to 18,784.24, 28,186.06 and 8,261.64 is: 12,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.24 : 28,186.06 = 8,261.64 : x
  2. Step 2: Convert to fraction form
    18,784.24/28,186.06 = 8,261.64/x
  3. Step 3: Cross multiply
    18,784.24x = 28,186.06 × 8,261.64
  4. Step 4: Simplify right side
    18,784.24x = 232,863,080.74
  5. Step 5: Solve for x
    x = 232,863,080.74/18,784.24
  6. Step 6: Final answer
    x = 12,396.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.