Home / 21,183.01-31,774.76-6,392.06

Finding the Fourth Proportional to 21,183.01, 31,774.76 and 6,392.06

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Solution

The fourth proportional to 21,183.01, 31,774.76 and 6,392.06 is: 9,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.01 : 31,774.76 = 6,392.06 : x
  2. Step 2: Convert to fraction form
    21,183.01/31,774.76 = 6,392.06/x
  3. Step 3: Cross multiply
    21,183.01x = 31,774.76 × 6,392.06
  4. Step 4: Simplify right side
    21,183.01x = 203,106,160.65
  5. Step 5: Solve for x
    x = 203,106,160.65/21,183.01
  6. Step 6: Final answer
    x = 9,588.16

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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.