Home / 11,213.69-16,807.40-7,205.94

Finding the Fourth Proportional to 11,213.69, 16,807.40 and 7,205.94

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Solution

The fourth proportional to 11,213.69, 16,807.40 and 7,205.94 is: 10,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.69 : 16,807.40 = 7,205.94 : x
  2. Step 2: Convert to fraction form
    11,213.69/16,807.40 = 7,205.94/x
  3. Step 3: Cross multiply
    11,213.69x = 16,807.40 × 7,205.94
  4. Step 4: Simplify right side
    11,213.69x = 121,113,059.68
  5. Step 5: Solve for x
    x = 121,113,059.68/11,213.69
  6. Step 6: Final answer
    x = 10,800.46

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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.