Home / 13,647.52-18,833.60-7,679.52

Finding the Fourth Proportional to 13,647.52, 18,833.60 and 7,679.52

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Solution

The fourth proportional to 13,647.52, 18,833.60 and 7,679.52 is: 10,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.52 : 18,833.60 = 7,679.52 : x
  2. Step 2: Convert to fraction form
    13,647.52/18,833.60 = 7,679.52/x
  3. Step 3: Cross multiply
    13,647.52x = 18,833.60 × 7,679.52
  4. Step 4: Simplify right side
    13,647.52x = 144,633,007.87
  5. Step 5: Solve for x
    x = 144,633,007.87/13,647.52
  6. Step 6: Final answer
    x = 10,597.75

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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.