Home / 10,228.28-14,110.62-6,448.46

Finding the Fourth Proportional to 10,228.28, 14,110.62 and 6,448.46

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Solution

The fourth proportional to 10,228.28, 14,110.62 and 6,448.46 is: 8,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.28 : 14,110.62 = 6,448.46 : x
  2. Step 2: Convert to fraction form
    10,228.28/14,110.62 = 6,448.46/x
  3. Step 3: Cross multiply
    10,228.28x = 14,110.62 × 6,448.46
  4. Step 4: Simplify right side
    10,228.28x = 90,991,768.65
  5. Step 5: Solve for x
    x = 90,991,768.65/10,228.28
  6. Step 6: Final answer
    x = 8,896.10

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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.