Home / 9,351.20-14,021.40-3,508.40

Finding the Fourth Proportional to 9,351.20, 14,021.40 and 3,508.40

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Solution

The fourth proportional to 9,351.20, 14,021.40 and 3,508.40 is: 5,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.20 : 14,021.40 = 3,508.40 : x
  2. Step 2: Convert to fraction form
    9,351.20/14,021.40 = 3,508.40/x
  3. Step 3: Cross multiply
    9,351.20x = 14,021.40 × 3,508.40
  4. Step 4: Simplify right side
    9,351.20x = 49,192,679.76
  5. Step 5: Solve for x
    x = 49,192,679.76/9,351.20
  6. Step 6: Final answer
    x = 5,260.57

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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.