Home / 12,749.57-17,596.74-9,950.21

Finding the Fourth Proportional to 12,749.57, 17,596.74 and 9,950.21

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Solution

The fourth proportional to 12,749.57, 17,596.74 and 9,950.21 is: 13,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.57 : 17,596.74 = 9,950.21 : x
  2. Step 2: Convert to fraction form
    12,749.57/17,596.74 = 9,950.21/x
  3. Step 3: Cross multiply
    12,749.57x = 17,596.74 × 9,950.21
  4. Step 4: Simplify right side
    12,749.57x = 175,091,170.33
  5. Step 5: Solve for x
    x = 175,091,170.33/12,749.57
  6. Step 6: Final answer
    x = 13,733.11

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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.