Home / 14,519.82-21,771.63-7,108.32

Finding the Fourth Proportional to 14,519.82, 21,771.63 and 7,108.32

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Solution

The fourth proportional to 14,519.82, 21,771.63 and 7,108.32 is: 10,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.82 : 21,771.63 = 7,108.32 : x
  2. Step 2: Convert to fraction form
    14,519.82/21,771.63 = 7,108.32/x
  3. Step 3: Cross multiply
    14,519.82x = 21,771.63 × 7,108.32
  4. Step 4: Simplify right side
    14,519.82x = 154,759,712.96
  5. Step 5: Solve for x
    x = 154,759,712.96/14,519.82
  6. Step 6: Final answer
    x = 10,658.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.