Home / 19,311.66-28,962.63-6,157.26

Finding the Fourth Proportional to 19,311.66, 28,962.63 and 6,157.26

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Solution

The fourth proportional to 19,311.66, 28,962.63 and 6,157.26 is: 9,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.66 : 28,962.63 = 6,157.26 : x
  2. Step 2: Convert to fraction form
    19,311.66/28,962.63 = 6,157.26/x
  3. Step 3: Cross multiply
    19,311.66x = 28,962.63 × 6,157.26
  4. Step 4: Simplify right side
    19,311.66x = 178,330,443.19
  5. Step 5: Solve for x
    x = 178,330,443.19/19,311.66
  6. Step 6: Final answer
    x = 9,234.34

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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.