Home / 13,833.03-19,090.50-7,865.28

Finding the Fourth Proportional to 13,833.03, 19,090.50 and 7,865.28

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Solution

The fourth proportional to 13,833.03, 19,090.50 and 7,865.28 is: 10,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.03 : 19,090.50 = 7,865.28 : x
  2. Step 2: Convert to fraction form
    13,833.03/19,090.50 = 7,865.28/x
  3. Step 3: Cross multiply
    13,833.03x = 19,090.50 × 7,865.28
  4. Step 4: Simplify right side
    13,833.03x = 150,152,127.84
  5. Step 5: Solve for x
    x = 150,152,127.84/13,833.03
  6. Step 6: Final answer
    x = 10,854.61

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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.