Home / 11,128.69-16,695.74-3,337.44

Finding the Fourth Proportional to 11,128.69, 16,695.74 and 3,337.44

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Solution

The fourth proportional to 11,128.69, 16,695.74 and 3,337.44 is: 5,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.69 : 16,695.74 = 3,337.44 : x
  2. Step 2: Convert to fraction form
    11,128.69/16,695.74 = 3,337.44/x
  3. Step 3: Cross multiply
    11,128.69x = 16,695.74 × 3,337.44
  4. Step 4: Simplify right side
    11,128.69x = 55,721,030.51
  5. Step 5: Solve for x
    x = 55,721,030.51/11,128.69
  6. Step 6: Final answer
    x = 5,006.97

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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.