Home / 18,237.00-27,355.73-5,090.39

Finding the Fourth Proportional to 18,237.00, 27,355.73 and 5,090.39

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Solution

The fourth proportional to 18,237.00, 27,355.73 and 5,090.39 is: 7,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.00 : 27,355.73 = 5,090.39 : x
  2. Step 2: Convert to fraction form
    18,237.00/27,355.73 = 5,090.39/x
  3. Step 3: Cross multiply
    18,237.00x = 27,355.73 × 5,090.39
  4. Step 4: Simplify right side
    18,237.00x = 139,251,428.66
  5. Step 5: Solve for x
    x = 139,251,428.66/18,237.00
  6. Step 6: Final answer
    x = 7,635.66

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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.