Home / 18,455.66-25,467.73-10,900.26

Finding the Fourth Proportional to 18,455.66, 25,467.73 and 10,900.26

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Solution

The fourth proportional to 18,455.66, 25,467.73 and 10,900.26 is: 15,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.66 : 25,467.73 = 10,900.26 : x
  2. Step 2: Convert to fraction form
    18,455.66/25,467.73 = 10,900.26/x
  3. Step 3: Cross multiply
    18,455.66x = 25,467.73 × 10,900.26
  4. Step 4: Simplify right side
    18,455.66x = 277,604,830.87
  5. Step 5: Solve for x
    x = 277,604,830.87/18,455.66
  6. Step 6: Final answer
    x = 15,041.72

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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.