Home / 13,996.68-19,314.27-8,891.79

Finding the Fourth Proportional to 13,996.68, 19,314.27 and 8,891.79

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Solution

The fourth proportional to 13,996.68, 19,314.27 and 8,891.79 is: 12,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.68 : 19,314.27 = 8,891.79 : x
  2. Step 2: Convert to fraction form
    13,996.68/19,314.27 = 8,891.79/x
  3. Step 3: Cross multiply
    13,996.68x = 19,314.27 × 8,891.79
  4. Step 4: Simplify right side
    13,996.68x = 171,738,432.84
  5. Step 5: Solve for x
    x = 171,738,432.84/13,996.68
  6. Step 6: Final answer
    x = 12,269.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.