Home / 9,401.20-14,127.30-5,021.80

Finding the Fourth Proportional to 9,401.20, 14,127.30 and 5,021.80

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Solution

The fourth proportional to 9,401.20, 14,127.30 and 5,021.80 is: 7,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.20 : 14,127.30 = 5,021.80 : x
  2. Step 2: Convert to fraction form
    9,401.20/14,127.30 = 5,021.80/x
  3. Step 3: Cross multiply
    9,401.20x = 14,127.30 × 5,021.80
  4. Step 4: Simplify right side
    9,401.20x = 70,944,475.14
  5. Step 5: Solve for x
    x = 70,944,475.14/9,401.20
  6. Step 6: Final answer
    x = 7,546.32

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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.