Home / 11,199.40-16,791.90-4,628.20

Finding the Fourth Proportional to 11,199.40, 16,791.90 and 4,628.20

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Solution

The fourth proportional to 11,199.40, 16,791.90 and 4,628.20 is: 6,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.40 : 16,791.90 = 4,628.20 : x
  2. Step 2: Convert to fraction form
    11,199.40/16,791.90 = 4,628.20/x
  3. Step 3: Cross multiply
    11,199.40x = 16,791.90 × 4,628.20
  4. Step 4: Simplify right side
    11,199.40x = 77,716,271.58
  5. Step 5: Solve for x
    x = 77,716,271.58/11,199.40
  6. Step 6: Final answer
    x = 6,939.32

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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.