Home / 13,664.34-20,471.79-6,274.98

Finding the Fourth Proportional to 13,664.34, 20,471.79 and 6,274.98

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Solution

The fourth proportional to 13,664.34, 20,471.79 and 6,274.98 is: 9,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.34 : 20,471.79 = 6,274.98 : x
  2. Step 2: Convert to fraction form
    13,664.34/20,471.79 = 6,274.98/x
  3. Step 3: Cross multiply
    13,664.34x = 20,471.79 × 6,274.98
  4. Step 4: Simplify right side
    13,664.34x = 128,460,072.81
  5. Step 5: Solve for x
    x = 128,460,072.81/13,664.34
  6. Step 6: Final answer
    x = 9,401.12

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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.