Home / 12,117.93-18,177.32-3,353.50

Finding the Fourth Proportional to 12,117.93, 18,177.32 and 3,353.50

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Solution

The fourth proportional to 12,117.93, 18,177.32 and 3,353.50 is: 5,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.93 : 18,177.32 = 3,353.50 : x
  2. Step 2: Convert to fraction form
    12,117.93/18,177.32 = 3,353.50/x
  3. Step 3: Cross multiply
    12,117.93x = 18,177.32 × 3,353.50
  4. Step 4: Simplify right side
    12,117.93x = 60,957,642.62
  5. Step 5: Solve for x
    x = 60,957,642.62/12,117.93
  6. Step 6: Final answer
    x = 5,030.37

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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.