Home / 17,890.37-26,836.04-4,742.72

Finding the Fourth Proportional to 17,890.37, 26,836.04 and 4,742.72

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Solution

The fourth proportional to 17,890.37, 26,836.04 and 4,742.72 is: 7,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.37 : 26,836.04 = 4,742.72 : x
  2. Step 2: Convert to fraction form
    17,890.37/26,836.04 = 4,742.72/x
  3. Step 3: Cross multiply
    17,890.37x = 26,836.04 × 4,742.72
  4. Step 4: Simplify right side
    17,890.37x = 127,275,801.94
  5. Step 5: Solve for x
    x = 127,275,801.94/17,890.37
  6. Step 6: Final answer
    x = 7,114.21

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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.