Home / 9,721.56-14,560.46-6,812.85

Finding the Fourth Proportional to 9,721.56, 14,560.46 and 6,812.85

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Solution

The fourth proportional to 9,721.56, 14,560.46 and 6,812.85 is: 10,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.56 : 14,560.46 = 6,812.85 : x
  2. Step 2: Convert to fraction form
    9,721.56/14,560.46 = 6,812.85/x
  3. Step 3: Cross multiply
    9,721.56x = 14,560.46 × 6,812.85
  4. Step 4: Simplify right side
    9,721.56x = 99,198,195.85
  5. Step 5: Solve for x
    x = 99,198,195.85/9,721.56
  6. Step 6: Final answer
    x = 10,203.94

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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.