Home / 13,621.94-18,799.08-10,258.82

Finding the Fourth Proportional to 13,621.94, 18,799.08 and 10,258.82

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Solution

The fourth proportional to 13,621.94, 18,799.08 and 10,258.82 is: 14,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.94 : 18,799.08 = 10,258.82 : x
  2. Step 2: Convert to fraction form
    13,621.94/18,799.08 = 10,258.82/x
  3. Step 3: Cross multiply
    13,621.94x = 18,799.08 × 10,258.82
  4. Step 4: Simplify right side
    13,621.94x = 192,856,377.89
  5. Step 5: Solve for x
    x = 192,856,377.89/13,621.94
  6. Step 6: Final answer
    x = 14,157.78

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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.