Home / 11,889.80-16,370.58-10,093.56

Finding the Fourth Proportional to 11,889.80, 16,370.58 and 10,093.56

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Solution

The fourth proportional to 11,889.80, 16,370.58 and 10,093.56 is: 13,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.80 : 16,370.58 = 10,093.56 : x
  2. Step 2: Convert to fraction form
    11,889.80/16,370.58 = 10,093.56/x
  3. Step 3: Cross multiply
    11,889.80x = 16,370.58 × 10,093.56
  4. Step 4: Simplify right side
    11,889.80x = 165,237,368.03
  5. Step 5: Solve for x
    x = 165,237,368.03/11,889.80
  6. Step 6: Final answer
    x = 13,897.40

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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.