Home / 18,341.48-27,507.79-8,471.27

Finding the Fourth Proportional to 18,341.48, 27,507.79 and 8,471.27

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Solution

The fourth proportional to 18,341.48, 27,507.79 and 8,471.27 is: 12,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.48 : 27,507.79 = 8,471.27 : x
  2. Step 2: Convert to fraction form
    18,341.48/27,507.79 = 8,471.27/x
  3. Step 3: Cross multiply
    18,341.48x = 27,507.79 × 8,471.27
  4. Step 4: Simplify right side
    18,341.48x = 233,025,916.19
  5. Step 5: Solve for x
    x = 233,025,916.19/18,341.48
  6. Step 6: Final answer
    x = 12,704.86

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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.