Home / 10,005.27-13,811.49-6,775.80

Finding the Fourth Proportional to 10,005.27, 13,811.49 and 6,775.80

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Solution

The fourth proportional to 10,005.27, 13,811.49 and 6,775.80 is: 9,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.27 : 13,811.49 = 6,775.80 : x
  2. Step 2: Convert to fraction form
    10,005.27/13,811.49 = 6,775.80/x
  3. Step 3: Cross multiply
    10,005.27x = 13,811.49 × 6,775.80
  4. Step 4: Simplify right side
    10,005.27x = 93,583,893.94
  5. Step 5: Solve for x
    x = 93,583,893.94/10,005.27
  6. Step 6: Final answer
    x = 9,353.46

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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.