Home / 9,621.70-14,433.90-3,047.20

Finding the Fourth Proportional to 9,621.70, 14,433.90 and 3,047.20

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Solution

The fourth proportional to 9,621.70, 14,433.90 and 3,047.20 is: 4,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.70 : 14,433.90 = 3,047.20 : x
  2. Step 2: Convert to fraction form
    9,621.70/14,433.90 = 3,047.20/x
  3. Step 3: Cross multiply
    9,621.70x = 14,433.90 × 3,047.20
  4. Step 4: Simplify right side
    9,621.70x = 43,982,980.08
  5. Step 5: Solve for x
    x = 43,982,980.08/9,621.70
  6. Step 6: Final answer
    x = 4,571.23

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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.