Home / 11,806.80-16,293.72-6,501.84

Finding the Fourth Proportional to 11,806.80, 16,293.72 and 6,501.84

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Solution

The fourth proportional to 11,806.80, 16,293.72 and 6,501.84 is: 8,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.80 : 16,293.72 = 6,501.84 : x
  2. Step 2: Convert to fraction form
    11,806.80/16,293.72 = 6,501.84/x
  3. Step 3: Cross multiply
    11,806.80x = 16,293.72 × 6,501.84
  4. Step 4: Simplify right side
    11,806.80x = 105,939,160.44
  5. Step 5: Solve for x
    x = 105,939,160.44/11,806.80
  6. Step 6: Final answer
    x = 8,972.72

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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.