Home / 11,538.87-15,923.63-6,504.32

Finding the Fourth Proportional to 11,538.87, 15,923.63 and 6,504.32

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Solution

The fourth proportional to 11,538.87, 15,923.63 and 6,504.32 is: 8,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.87 : 15,923.63 = 6,504.32 : x
  2. Step 2: Convert to fraction form
    11,538.87/15,923.63 = 6,504.32/x
  3. Step 3: Cross multiply
    11,538.87x = 15,923.63 × 6,504.32
  4. Step 4: Simplify right side
    11,538.87x = 103,572,272.94
  5. Step 5: Solve for x
    x = 103,572,272.94/11,538.87
  6. Step 6: Final answer
    x = 8,975.95

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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.