Home / 18,617.36-27,923.16-12,089.84

Finding the Fourth Proportional to 18,617.36, 27,923.16 and 12,089.84

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Solution

The fourth proportional to 18,617.36, 27,923.16 and 12,089.84 is: 18,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.36 : 27,923.16 = 12,089.84 : x
  2. Step 2: Convert to fraction form
    18,617.36/27,923.16 = 12,089.84/x
  3. Step 3: Cross multiply
    18,617.36x = 27,923.16 × 12,089.84
  4. Step 4: Simplify right side
    18,617.36x = 337,586,536.69
  5. Step 5: Solve for x
    x = 337,586,536.69/18,617.36
  6. Step 6: Final answer
    x = 18,132.89

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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.