Home / 12,493.90-17,223.32-9,504.54

Finding the Fourth Proportional to 12,493.90, 17,223.32 and 9,504.54

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Solution

The fourth proportional to 12,493.90, 17,223.32 and 9,504.54 is: 13,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.90 : 17,223.32 = 9,504.54 : x
  2. Step 2: Convert to fraction form
    12,493.90/17,223.32 = 9,504.54/x
  3. Step 3: Cross multiply
    12,493.90x = 17,223.32 × 9,504.54
  4. Step 4: Simplify right side
    12,493.90x = 163,699,733.87
  5. Step 5: Solve for x
    x = 163,699,733.87/12,493.90
  6. Step 6: Final answer
    x = 13,102.37

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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.