Home / 11,274.77-16,918.23-4,705.47

Finding the Fourth Proportional to 11,274.77, 16,918.23 and 4,705.47

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Solution

The fourth proportional to 11,274.77, 16,918.23 and 4,705.47 is: 7,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.77 : 16,918.23 = 4,705.47 : x
  2. Step 2: Convert to fraction form
    11,274.77/16,918.23 = 4,705.47/x
  3. Step 3: Cross multiply
    11,274.77x = 16,918.23 × 4,705.47
  4. Step 4: Simplify right side
    11,274.77x = 79,608,223.72
  5. Step 5: Solve for x
    x = 79,608,223.72/11,274.77
  6. Step 6: Final answer
    x = 7,060.74

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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.