Home / 12,584.91-18,840.45-8,823.65

Finding the Fourth Proportional to 12,584.91, 18,840.45 and 8,823.65

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Solution

The fourth proportional to 12,584.91, 18,840.45 and 8,823.65 is: 13,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.91 : 18,840.45 = 8,823.65 : x
  2. Step 2: Convert to fraction form
    12,584.91/18,840.45 = 8,823.65/x
  3. Step 3: Cross multiply
    12,584.91x = 18,840.45 × 8,823.65
  4. Step 4: Simplify right side
    12,584.91x = 166,241,536.64
  5. Step 5: Solve for x
    x = 166,241,536.64/12,584.91
  6. Step 6: Final answer
    x = 13,209.59

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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.