Home / 10,789.94-14,890.03-6,074.22

Finding the Fourth Proportional to 10,789.94, 14,890.03 and 6,074.22

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Solution

The fourth proportional to 10,789.94, 14,890.03 and 6,074.22 is: 8,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.94 : 14,890.03 = 6,074.22 : x
  2. Step 2: Convert to fraction form
    10,789.94/14,890.03 = 6,074.22/x
  3. Step 3: Cross multiply
    10,789.94x = 14,890.03 × 6,074.22
  4. Step 4: Simplify right side
    10,789.94x = 90,445,358.68
  5. Step 5: Solve for x
    x = 90,445,358.68/10,789.94
  6. Step 6: Final answer
    x = 8,382.38

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Half scale
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Double scale
Find fourth proportional to 10,790.94, 14,891.41 and 6,075.22
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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.