Home / 18,958.32-28,440.82-6,475.42

Finding the Fourth Proportional to 18,958.32, 28,440.82 and 6,475.42

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Solution

The fourth proportional to 18,958.32, 28,440.82 and 6,475.42 is: 9,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.32 : 28,440.82 = 6,475.42 : x
  2. Step 2: Convert to fraction form
    18,958.32/28,440.82 = 6,475.42/x
  3. Step 3: Cross multiply
    18,958.32x = 28,440.82 × 6,475.42
  4. Step 4: Simplify right side
    18,958.32x = 184,166,254.64
  5. Step 5: Solve for x
    x = 184,166,254.64/18,958.32
  6. Step 6: Final answer
    x = 9,714.27

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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.