Home / 18,235.11-27,355.58-7,705.23

Finding the Fourth Proportional to 18,235.11, 27,355.58 and 7,705.23

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Solution

The fourth proportional to 18,235.11, 27,355.58 and 7,705.23 is: 11,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.11 : 27,355.58 = 7,705.23 : x
  2. Step 2: Convert to fraction form
    18,235.11/27,355.58 = 7,705.23/x
  3. Step 3: Cross multiply
    18,235.11x = 27,355.58 × 7,705.23
  4. Step 4: Simplify right side
    18,235.11x = 210,781,035.68
  5. Step 5: Solve for x
    x = 210,781,035.68/18,235.11
  6. Step 6: Final answer
    x = 11,559.08

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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.