Home / 16,144.70-22,279.40-9,857.07

Finding the Fourth Proportional to 16,144.70, 22,279.40 and 9,857.07

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Solution

The fourth proportional to 16,144.70, 22,279.40 and 9,857.07 is: 13,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,144.70 : 22,279.40 = 9,857.07 : x
  2. Step 2: Convert to fraction form
    16,144.70/22,279.40 = 9,857.07/x
  3. Step 3: Cross multiply
    16,144.70x = 22,279.40 × 9,857.07
  4. Step 4: Simplify right side
    16,144.70x = 219,609,556.07
  5. Step 5: Solve for x
    x = 219,609,556.07/16,144.70
  6. Step 6: Final answer
    x = 13,602.58

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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.