Home / 12,810.56-19,217.66-6,231.33

Finding the Fourth Proportional to 12,810.56, 19,217.66 and 6,231.33

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Solution

The fourth proportional to 12,810.56, 19,217.66 and 6,231.33 is: 9,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.56 : 19,217.66 = 6,231.33 : x
  2. Step 2: Convert to fraction form
    12,810.56/19,217.66 = 6,231.33/x
  3. Step 3: Cross multiply
    12,810.56x = 19,217.66 × 6,231.33
  4. Step 4: Simplify right side
    12,810.56x = 119,751,550.13
  5. Step 5: Solve for x
    x = 119,751,550.13/12,810.56
  6. Step 6: Final answer
    x = 9,347.88

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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.