Home / 10,809.54-16,224.41-6,657.65

Finding the Fourth Proportional to 10,809.54, 16,224.41 and 6,657.65

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Solution

The fourth proportional to 10,809.54, 16,224.41 and 6,657.65 is: 9,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.54 : 16,224.41 = 6,657.65 : x
  2. Step 2: Convert to fraction form
    10,809.54/16,224.41 = 6,657.65/x
  3. Step 3: Cross multiply
    10,809.54x = 16,224.41 × 6,657.65
  4. Step 4: Simplify right side
    10,809.54x = 108,016,378.76
  5. Step 5: Solve for x
    x = 108,016,378.76/10,809.54
  6. Step 6: Final answer
    x = 9,992.69

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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.