Home / 18,389.78-27,588.81-6,703.04

Finding the Fourth Proportional to 18,389.78, 27,588.81 and 6,703.04

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Solution

The fourth proportional to 18,389.78, 27,588.81 and 6,703.04 is: 10,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.78 : 27,588.81 = 6,703.04 : x
  2. Step 2: Convert to fraction form
    18,389.78/27,588.81 = 6,703.04/x
  3. Step 3: Cross multiply
    18,389.78x = 27,588.81 × 6,703.04
  4. Step 4: Simplify right side
    18,389.78x = 184,928,896.98
  5. Step 5: Solve for x
    x = 184,928,896.98/18,389.78
  6. Step 6: Final answer
    x = 10,056.07

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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.