Home / 21,976.65-32,970.93-7,183.62

Finding the Fourth Proportional to 21,976.65, 32,970.93 and 7,183.62

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Solution

The fourth proportional to 21,976.65, 32,970.93 and 7,183.62 is: 10,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.65 : 32,970.93 = 7,183.62 : x
  2. Step 2: Convert to fraction form
    21,976.65/32,970.93 = 7,183.62/x
  3. Step 3: Cross multiply
    21,976.65x = 32,970.93 × 7,183.62
  4. Step 4: Simplify right side
    21,976.65x = 236,850,632.17
  5. Step 5: Solve for x
    x = 236,850,632.17/21,976.65
  6. Step 6: Final answer
    x = 10,777.38

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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.