Home / 11,879.28-17,804.58-4,376.88

Finding the Fourth Proportional to 11,879.28, 17,804.58 and 4,376.88

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Solution

The fourth proportional to 11,879.28, 17,804.58 and 4,376.88 is: 6,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.28 : 17,804.58 = 4,376.88 : x
  2. Step 2: Convert to fraction form
    11,879.28/17,804.58 = 4,376.88/x
  3. Step 3: Cross multiply
    11,879.28x = 17,804.58 × 4,376.88
  4. Step 4: Simplify right side
    11,879.28x = 77,928,510.11
  5. Step 5: Solve for x
    x = 77,928,510.11/11,879.28
  6. Step 6: Final answer
    x = 6,560.04

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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.