Home / 10,828.26-16,210.71-9,790.65

Finding the Fourth Proportional to 10,828.26, 16,210.71 and 9,790.65

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Solution

The fourth proportional to 10,828.26, 16,210.71 and 9,790.65 is: 14,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.26 : 16,210.71 = 9,790.65 : x
  2. Step 2: Convert to fraction form
    10,828.26/16,210.71 = 9,790.65/x
  3. Step 3: Cross multiply
    10,828.26x = 16,210.71 × 9,790.65
  4. Step 4: Simplify right side
    10,828.26x = 158,713,387.86
  5. Step 5: Solve for x
    x = 158,713,387.86/10,828.26
  6. Step 6: Final answer
    x = 14,657.33

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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.