Home / 18,632.16-27,902.43-12,038.31

Finding the Fourth Proportional to 18,632.16, 27,902.43 and 12,038.31

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Solution

The fourth proportional to 18,632.16, 27,902.43 and 12,038.31 is: 18,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.16 : 27,902.43 = 12,038.31 : x
  2. Step 2: Convert to fraction form
    18,632.16/27,902.43 = 12,038.31/x
  3. Step 3: Cross multiply
    18,632.16x = 27,902.43 × 12,038.31
  4. Step 4: Simplify right side
    18,632.16x = 335,898,102.09
  5. Step 5: Solve for x
    x = 335,898,102.09/18,632.16
  6. Step 6: Final answer
    x = 18,027.87

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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.