Home / 12,365.28-18,544.56-3,597.92

Finding the Fourth Proportional to 12,365.28, 18,544.56 and 3,597.92

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Solution

The fourth proportional to 12,365.28, 18,544.56 and 3,597.92 is: 5,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.28 : 18,544.56 = 3,597.92 : x
  2. Step 2: Convert to fraction form
    12,365.28/18,544.56 = 3,597.92/x
  3. Step 3: Cross multiply
    12,365.28x = 18,544.56 × 3,597.92
  4. Step 4: Simplify right side
    12,365.28x = 66,721,843.32
  5. Step 5: Solve for x
    x = 66,721,843.32/12,365.28
  6. Step 6: Final answer
    x = 5,395.90

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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.