Home / 12,016.32-18,027.36-5,440.74

Finding the Fourth Proportional to 12,016.32, 18,027.36 and 5,440.74

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Solution

The fourth proportional to 12,016.32, 18,027.36 and 5,440.74 is: 8,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.32 : 18,027.36 = 5,440.74 : x
  2. Step 2: Convert to fraction form
    12,016.32/18,027.36 = 5,440.74/x
  3. Step 3: Cross multiply
    12,016.32x = 18,027.36 × 5,440.74
  4. Step 4: Simplify right side
    12,016.32x = 98,082,178.65
  5. Step 5: Solve for x
    x = 98,082,178.65/12,016.32
  6. Step 6: Final answer
    x = 8,162.41

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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.