Home / 15,855.66-23,783.49-4,168.86

Finding the Fourth Proportional to 15,855.66, 23,783.49 and 4,168.86

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Solution

The fourth proportional to 15,855.66, 23,783.49 and 4,168.86 is: 6,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.66 : 23,783.49 = 4,168.86 : x
  2. Step 2: Convert to fraction form
    15,855.66/23,783.49 = 4,168.86/x
  3. Step 3: Cross multiply
    15,855.66x = 23,783.49 × 4,168.86
  4. Step 4: Simplify right side
    15,855.66x = 99,150,040.12
  5. Step 5: Solve for x
    x = 99,150,040.12/15,855.66
  6. Step 6: Final answer
    x = 6,253.29

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Similar ratio
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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.