Home / 15,997.89-22,076.93-8,827.87

Finding the Fourth Proportional to 15,997.89, 22,076.93 and 8,827.87

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Solution

The fourth proportional to 15,997.89, 22,076.93 and 8,827.87 is: 12,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.89 : 22,076.93 = 8,827.87 : x
  2. Step 2: Convert to fraction form
    15,997.89/22,076.93 = 8,827.87/x
  3. Step 3: Cross multiply
    15,997.89x = 22,076.93 × 8,827.87
  4. Step 4: Simplify right side
    15,997.89x = 194,892,157.65
  5. Step 5: Solve for x
    x = 194,892,157.65/15,997.89
  6. Step 6: Final answer
    x = 12,182.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.