Home / 19,130.37-28,684.31-9,764.25

Finding the Fourth Proportional to 19,130.37, 28,684.31 and 9,764.25

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Solution

The fourth proportional to 19,130.37, 28,684.31 and 9,764.25 is: 14,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.37 : 28,684.31 = 9,764.25 : x
  2. Step 2: Convert to fraction form
    19,130.37/28,684.31 = 9,764.25/x
  3. Step 3: Cross multiply
    19,130.37x = 28,684.31 × 9,764.25
  4. Step 4: Simplify right side
    19,130.37x = 280,080,725.10
  5. Step 5: Solve for x
    x = 280,080,725.10/19,130.37
  6. Step 6: Final answer
    x = 14,640.63

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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.