Home / 13,833.74-19,090.62-7,866.66

Finding the Fourth Proportional to 13,833.74, 19,090.62 and 7,866.66

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Solution

The fourth proportional to 13,833.74, 19,090.62 and 7,866.66 is: 10,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.74 : 19,090.62 = 7,866.66 : x
  2. Step 2: Convert to fraction form
    13,833.74/19,090.62 = 7,866.66/x
  3. Step 3: Cross multiply
    13,833.74x = 19,090.62 × 7,866.66
  4. Step 4: Simplify right side
    13,833.74x = 150,179,416.73
  5. Step 5: Solve for x
    x = 150,179,416.73/13,833.74
  6. Step 6: Final answer
    x = 10,856.03

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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.