Home / 18,235.33-27,355.91-7,705.45

Finding the Fourth Proportional to 18,235.33, 27,355.91 and 7,705.45

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Solution

The fourth proportional to 18,235.33, 27,355.91 and 7,705.45 is: 11,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.33 : 27,355.91 = 7,705.45 : x
  2. Step 2: Convert to fraction form
    18,235.33/27,355.91 = 7,705.45/x
  3. Step 3: Cross multiply
    18,235.33x = 27,355.91 × 7,705.45
  4. Step 4: Simplify right side
    18,235.33x = 210,789,596.71
  5. Step 5: Solve for x
    x = 210,789,596.71/18,235.33
  6. Step 6: Final answer
    x = 11,559.41

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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.