Home / 10,228.58-14,110.67-6,643.28

Finding the Fourth Proportional to 10,228.58, 14,110.67 and 6,643.28

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Solution

The fourth proportional to 10,228.58, 14,110.67 and 6,643.28 is: 9,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.58 : 14,110.67 = 6,643.28 : x
  2. Step 2: Convert to fraction form
    10,228.58/14,110.67 = 6,643.28/x
  3. Step 3: Cross multiply
    10,228.58x = 14,110.67 × 6,643.28
  4. Step 4: Simplify right side
    10,228.58x = 93,741,183.68
  5. Step 5: Solve for x
    x = 93,741,183.68/10,228.58
  6. Step 6: Final answer
    x = 9,164.63

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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.