Home / 11,006.40-16,487.20-6,833.60

Finding the Fourth Proportional to 11,006.40, 16,487.20 and 6,833.60

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Solution

The fourth proportional to 11,006.40, 16,487.20 and 6,833.60 is: 10,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.40 : 16,487.20 = 6,833.60 : x
  2. Step 2: Convert to fraction form
    11,006.40/16,487.20 = 6,833.60/x
  3. Step 3: Cross multiply
    11,006.40x = 16,487.20 × 6,833.60
  4. Step 4: Simplify right side
    11,006.40x = 112,666,929.92
  5. Step 5: Solve for x
    x = 112,666,929.92/11,006.40
  6. Step 6: Final answer
    x = 10,236.49

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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.