Home / 12,854.98-19,273.15-8,684.56

Finding the Fourth Proportional to 12,854.98, 19,273.15 and 8,684.56

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Solution

The fourth proportional to 12,854.98, 19,273.15 and 8,684.56 is: 13,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.98 : 19,273.15 = 8,684.56 : x
  2. Step 2: Convert to fraction form
    12,854.98/19,273.15 = 8,684.56/x
  3. Step 3: Cross multiply
    12,854.98x = 19,273.15 × 8,684.56
  4. Step 4: Simplify right side
    12,854.98x = 167,378,827.56
  5. Step 5: Solve for x
    x = 167,378,827.56/12,854.98
  6. Step 6: Final answer
    x = 13,020.54

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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.