Home / 12,243.36-18,365.03-5,665.95

Finding the Fourth Proportional to 12,243.36, 18,365.03 and 5,665.95

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Solution

The fourth proportional to 12,243.36, 18,365.03 and 5,665.95 is: 8,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.36 : 18,365.03 = 5,665.95 : x
  2. Step 2: Convert to fraction form
    12,243.36/18,365.03 = 5,665.95/x
  3. Step 3: Cross multiply
    12,243.36x = 18,365.03 × 5,665.95
  4. Step 4: Simplify right side
    12,243.36x = 104,055,373.48
  5. Step 5: Solve for x
    x = 104,055,373.48/12,243.36
  6. Step 6: Final answer
    x = 8,498.93

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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.