Home / 9,401.51-12,975.28-6,174.11

Finding the Fourth Proportional to 9,401.51, 12,975.28 and 6,174.11

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Solution

The fourth proportional to 9,401.51, 12,975.28 and 6,174.11 is: 8,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.51 : 12,975.28 = 6,174.11 : x
  2. Step 2: Convert to fraction form
    9,401.51/12,975.28 = 6,174.11/x
  3. Step 3: Cross multiply
    9,401.51x = 12,975.28 × 6,174.11
  4. Step 4: Simplify right side
    9,401.51x = 80,110,725.69
  5. Step 5: Solve for x
    x = 80,110,725.69/9,401.51
  6. Step 6: Final answer
    x = 8,521.05

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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.