Home / 9,401.51-12,975.29-6,174.09

Finding the Fourth Proportional to 9,401.51, 12,975.29 and 6,174.09

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Solution

The fourth proportional to 9,401.51, 12,975.29 and 6,174.09 is: 8,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.51 : 12,975.29 = 6,174.09 : x
  2. Step 2: Convert to fraction form
    9,401.51/12,975.29 = 6,174.09/x
  3. Step 3: Cross multiply
    9,401.51x = 12,975.29 × 6,174.09
  4. Step 4: Simplify right side
    9,401.51x = 80,110,577.37
  5. Step 5: Solve for x
    x = 80,110,577.37/9,401.51
  6. Step 6: Final answer
    x = 8,521.04

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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.