Home / 18,618.32-25,672.26-13,573.64

Finding the Fourth Proportional to 18,618.32, 25,672.26 and 13,573.64

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Solution

The fourth proportional to 18,618.32, 25,672.26 and 13,573.64 is: 18,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.32 : 25,672.26 = 13,573.64 : x
  2. Step 2: Convert to fraction form
    18,618.32/25,672.26 = 13,573.64/x
  3. Step 3: Cross multiply
    18,618.32x = 25,672.26 × 13,573.64
  4. Step 4: Simplify right side
    18,618.32x = 348,466,015.23
  5. Step 5: Solve for x
    x = 348,466,015.23/18,618.32
  6. Step 6: Final answer
    x = 18,716.30

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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.