Home / 18,146.75-27,221.84-7,054.29

Finding the Fourth Proportional to 18,146.75, 27,221.84 and 7,054.29

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Solution

The fourth proportional to 18,146.75, 27,221.84 and 7,054.29 is: 10,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.75 : 27,221.84 = 7,054.29 : x
  2. Step 2: Convert to fraction form
    18,146.75/27,221.84 = 7,054.29/x
  3. Step 3: Cross multiply
    18,146.75x = 27,221.84 × 7,054.29
  4. Step 4: Simplify right side
    18,146.75x = 192,030,753.69
  5. Step 5: Solve for x
    x = 192,030,753.69/18,146.75
  6. Step 6: Final answer
    x = 10,582.10

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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.