Home / 11,401.40-17,102.10-7,464.80

Finding the Fourth Proportional to 11,401.40, 17,102.10 and 7,464.80

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Solution

The fourth proportional to 11,401.40, 17,102.10 and 7,464.80 is: 11,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.40 : 17,102.10 = 7,464.80 : x
  2. Step 2: Convert to fraction form
    11,401.40/17,102.10 = 7,464.80/x
  3. Step 3: Cross multiply
    11,401.40x = 17,102.10 × 7,464.80
  4. Step 4: Simplify right side
    11,401.40x = 127,663,756.08
  5. Step 5: Solve for x
    x = 127,663,756.08/11,401.40
  6. Step 6: Final answer
    x = 11,197.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.