Home / 18,290.32-25,247.64-11,226.34

Finding the Fourth Proportional to 18,290.32, 25,247.64 and 11,226.34

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Solution

The fourth proportional to 18,290.32, 25,247.64 and 11,226.34 is: 15,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.32 : 25,247.64 = 11,226.34 : x
  2. Step 2: Convert to fraction form
    18,290.32/25,247.64 = 11,226.34/x
  3. Step 3: Cross multiply
    18,290.32x = 25,247.64 × 11,226.34
  4. Step 4: Simplify right side
    18,290.32x = 283,438,590.84
  5. Step 5: Solve for x
    x = 283,438,590.84/18,290.32
  6. Step 6: Final answer
    x = 15,496.64

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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.