Home / 18,958.16-28,440.58-6,475.26

Finding the Fourth Proportional to 18,958.16, 28,440.58 and 6,475.26

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Solution

The fourth proportional to 18,958.16, 28,440.58 and 6,475.26 is: 9,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.16 : 28,440.58 = 6,475.26 : x
  2. Step 2: Convert to fraction form
    18,958.16/28,440.58 = 6,475.26/x
  3. Step 3: Cross multiply
    18,958.16x = 28,440.58 × 6,475.26
  4. Step 4: Simplify right side
    18,958.16x = 184,160,150.05
  5. Step 5: Solve for x
    x = 184,160,150.05/18,958.16
  6. Step 6: Final answer
    x = 9,714.03

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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.