Home / 18,237.12-27,355.70-5,758.42

Finding the Fourth Proportional to 18,237.12, 27,355.70 and 5,758.42

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Solution

The fourth proportional to 18,237.12, 27,355.70 and 5,758.42 is: 8,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.12 : 27,355.70 = 5,758.42 : x
  2. Step 2: Convert to fraction form
    18,237.12/27,355.70 = 5,758.42/x
  3. Step 3: Cross multiply
    18,237.12x = 27,355.70 × 5,758.42
  4. Step 4: Simplify right side
    18,237.12x = 157,525,609.99
  5. Step 5: Solve for x
    x = 157,525,609.99/18,237.12
  6. Step 6: Final answer
    x = 8,637.64

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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.