Home / 14,645.72-20,190.04-10,446.68

Finding the Fourth Proportional to 14,645.72, 20,190.04 and 10,446.68

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Solution

The fourth proportional to 14,645.72, 20,190.04 and 10,446.68 is: 14,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.72 : 20,190.04 = 10,446.68 : x
  2. Step 2: Convert to fraction form
    14,645.72/20,190.04 = 10,446.68/x
  3. Step 3: Cross multiply
    14,645.72x = 20,190.04 × 10,446.68
  4. Step 4: Simplify right side
    14,645.72x = 210,918,887.07
  5. Step 5: Solve for x
    x = 210,918,887.07/14,645.72
  6. Step 6: Final answer
    x = 14,401.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.