Home / 18,389.43-27,588.77-5,241.81

Finding the Fourth Proportional to 18,389.43, 27,588.77 and 5,241.81

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Solution

The fourth proportional to 18,389.43, 27,588.77 and 5,241.81 is: 7,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.43 : 27,588.77 = 5,241.81 : x
  2. Step 2: Convert to fraction form
    18,389.43/27,588.77 = 5,241.81/x
  3. Step 3: Cross multiply
    18,389.43x = 27,588.77 × 5,241.81
  4. Step 4: Simplify right side
    18,389.43x = 144,615,187.38
  5. Step 5: Solve for x
    x = 144,615,187.38/18,389.43
  6. Step 6: Final answer
    x = 7,864.04

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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.