Home / 12,556.19-17,326.04-7,450.89

Finding the Fourth Proportional to 12,556.19, 17,326.04 and 7,450.89

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Solution

The fourth proportional to 12,556.19, 17,326.04 and 7,450.89 is: 10,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.19 : 17,326.04 = 7,450.89 : x
  2. Step 2: Convert to fraction form
    12,556.19/17,326.04 = 7,450.89/x
  3. Step 3: Cross multiply
    12,556.19x = 17,326.04 × 7,450.89
  4. Step 4: Simplify right side
    12,556.19x = 129,094,380.92
  5. Step 5: Solve for x
    x = 129,094,380.92/12,556.19
  6. Step 6: Final answer
    x = 10,281.34

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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.