Home / 11,206.79-16,810.17-3,309.40

Finding the Fourth Proportional to 11,206.79, 16,810.17 and 3,309.40

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Solution

The fourth proportional to 11,206.79, 16,810.17 and 3,309.40 is: 4,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.79 : 16,810.17 = 3,309.40 : x
  2. Step 2: Convert to fraction form
    11,206.79/16,810.17 = 3,309.40/x
  3. Step 3: Cross multiply
    11,206.79x = 16,810.17 × 3,309.40
  4. Step 4: Simplify right side
    11,206.79x = 55,631,576.60
  5. Step 5: Solve for x
    x = 55,631,576.60/11,206.79
  6. Step 6: Final answer
    x = 4,964.10

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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.