Home / 9,983.56-14,976.49-3,320.65

Finding the Fourth Proportional to 9,983.56, 14,976.49 and 3,320.65

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Solution

The fourth proportional to 9,983.56, 14,976.49 and 3,320.65 is: 4,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.56 : 14,976.49 = 3,320.65 : x
  2. Step 2: Convert to fraction form
    9,983.56/14,976.49 = 3,320.65/x
  3. Step 3: Cross multiply
    9,983.56x = 14,976.49 × 3,320.65
  4. Step 4: Simplify right side
    9,983.56x = 49,731,681.52
  5. Step 5: Solve for x
    x = 49,731,681.52/9,983.56
  6. Step 6: Final answer
    x = 4,981.36

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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.