Home / 18,818.82-25,969.97-10,435.32

Finding the Fourth Proportional to 18,818.82, 25,969.97 and 10,435.32

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Solution

The fourth proportional to 18,818.82, 25,969.97 and 10,435.32 is: 14,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.82 : 25,969.97 = 10,435.32 : x
  2. Step 2: Convert to fraction form
    18,818.82/25,969.97 = 10,435.32/x
  3. Step 3: Cross multiply
    18,818.82x = 25,969.97 × 10,435.32
  4. Step 4: Simplify right side
    18,818.82x = 271,004,895.16
  5. Step 5: Solve for x
    x = 271,004,895.16/18,818.82
  6. Step 6: Final answer
    x = 14,400.74

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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.