Home / 11,300.30-16,950.81-3,905.18

Finding the Fourth Proportional to 11,300.30, 16,950.81 and 3,905.18

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Solution

The fourth proportional to 11,300.30, 16,950.81 and 3,905.18 is: 5,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.30 : 16,950.81 = 3,905.18 : x
  2. Step 2: Convert to fraction form
    11,300.30/16,950.81 = 3,905.18/x
  3. Step 3: Cross multiply
    11,300.30x = 16,950.81 × 3,905.18
  4. Step 4: Simplify right side
    11,300.30x = 66,195,964.20
  5. Step 5: Solve for x
    x = 66,195,964.20/11,300.30
  6. Step 6: Final answer
    x = 5,857.89

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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.