Home / 14,088.33-21,131.27-8,540.04

Finding the Fourth Proportional to 14,088.33, 21,131.27 and 8,540.04

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Solution

The fourth proportional to 14,088.33, 21,131.27 and 8,540.04 is: 12,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.33 : 21,131.27 = 8,540.04 : x
  2. Step 2: Convert to fraction form
    14,088.33/21,131.27 = 8,540.04/x
  3. Step 3: Cross multiply
    14,088.33x = 21,131.27 × 8,540.04
  4. Step 4: Simplify right side
    14,088.33x = 180,461,912.40
  5. Step 5: Solve for x
    x = 180,461,912.40/14,088.33
  6. Step 6: Final answer
    x = 12,809.32

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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.