Home / 9,819.06-13,544.46-9,162.96

Finding the Fourth Proportional to 9,819.06, 13,544.46 and 9,162.96

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Solution

The fourth proportional to 9,819.06, 13,544.46 and 9,162.96 is: 12,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.06 : 13,544.46 = 9,162.96 : x
  2. Step 2: Convert to fraction form
    9,819.06/13,544.46 = 9,162.96/x
  3. Step 3: Cross multiply
    9,819.06x = 13,544.46 × 9,162.96
  4. Step 4: Simplify right side
    9,819.06x = 124,107,345.20
  5. Step 5: Solve for x
    x = 124,107,345.20/9,819.06
  6. Step 6: Final answer
    x = 12,639.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.