Home / 9,976.50-14,964.83-4,428.35

Finding the Fourth Proportional to 9,976.50, 14,964.83 and 4,428.35

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Solution

The fourth proportional to 9,976.50, 14,964.83 and 4,428.35 is: 6,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.50 : 14,964.83 = 4,428.35 : x
  2. Step 2: Convert to fraction form
    9,976.50/14,964.83 = 4,428.35/x
  3. Step 3: Cross multiply
    9,976.50x = 14,964.83 × 4,428.35
  4. Step 4: Simplify right side
    9,976.50x = 66,269,520.20
  5. Step 5: Solve for x
    x = 66,269,520.20/9,976.50
  6. Step 6: Final answer
    x = 6,642.56

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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.