Home / 12,853.98-19,268.01-12,296.70

Finding the Fourth Proportional to 12,853.98, 19,268.01 and 12,296.70

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Solution

The fourth proportional to 12,853.98, 19,268.01 and 12,296.70 is: 18,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.98 : 19,268.01 = 12,296.70 : x
  2. Step 2: Convert to fraction form
    12,853.98/19,268.01 = 12,296.70/x
  3. Step 3: Cross multiply
    12,853.98x = 19,268.01 × 12,296.70
  4. Step 4: Simplify right side
    12,853.98x = 236,932,938.57
  5. Step 5: Solve for x
    x = 236,932,938.57/12,853.98
  6. Step 6: Final answer
    x = 18,432.65

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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.