Home / 19,322.64-28,986.08-6,171.92

Finding the Fourth Proportional to 19,322.64, 28,986.08 and 6,171.92

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Solution

The fourth proportional to 19,322.64, 28,986.08 and 6,171.92 is: 9,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.64 : 28,986.08 = 6,171.92 : x
  2. Step 2: Convert to fraction form
    19,322.64/28,986.08 = 6,171.92/x
  3. Step 3: Cross multiply
    19,322.64x = 28,986.08 × 6,171.92
  4. Step 4: Simplify right side
    19,322.64x = 178,899,766.87
  5. Step 5: Solve for x
    x = 178,899,766.87/19,322.64
  6. Step 6: Final answer
    x = 9,258.56

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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.