Home / 12,556.40-17,327.40-7,250.48

Finding the Fourth Proportional to 12,556.40, 17,327.40 and 7,250.48

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Solution

The fourth proportional to 12,556.40, 17,327.40 and 7,250.48 is: 10,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.40 : 17,327.40 = 7,250.48 : x
  2. Step 2: Convert to fraction form
    12,556.40/17,327.40 = 7,250.48/x
  3. Step 3: Cross multiply
    12,556.40x = 17,327.40 × 7,250.48
  4. Step 4: Simplify right side
    12,556.40x = 125,631,967.15
  5. Step 5: Solve for x
    x = 125,631,967.15/12,556.40
  6. Step 6: Final answer
    x = 10,005.41

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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.