Home / 19,270.12-28,904.52-8,169.66

Finding the Fourth Proportional to 19,270.12, 28,904.52 and 8,169.66

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Solution

The fourth proportional to 19,270.12, 28,904.52 and 8,169.66 is: 12,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.12 : 28,904.52 = 8,169.66 : x
  2. Step 2: Convert to fraction form
    19,270.12/28,904.52 = 8,169.66/x
  3. Step 3: Cross multiply
    19,270.12x = 28,904.52 × 8,169.66
  4. Step 4: Simplify right side
    19,270.12x = 236,140,100.86
  5. Step 5: Solve for x
    x = 236,140,100.86/19,270.12
  6. Step 6: Final answer
    x = 12,254.21

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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.