Home / 12,975.26-19,470.11-9,874.58

Finding the Fourth Proportional to 12,975.26, 19,470.11 and 9,874.58

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Solution

The fourth proportional to 12,975.26, 19,470.11 and 9,874.58 is: 14,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.26 : 19,470.11 = 9,874.58 : x
  2. Step 2: Convert to fraction form
    12,975.26/19,470.11 = 9,874.58/x
  3. Step 3: Cross multiply
    12,975.26x = 19,470.11 × 9,874.58
  4. Step 4: Simplify right side
    12,975.26x = 192,259,012.08
  5. Step 5: Solve for x
    x = 192,259,012.08/12,975.26
  6. Step 6: Final answer
    x = 14,817.36

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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.