Home / 19,314.21-28,943.37-9,442.34

Finding the Fourth Proportional to 19,314.21, 28,943.37 and 9,442.34

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Solution

The fourth proportional to 19,314.21, 28,943.37 and 9,442.34 is: 14,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.21 : 28,943.37 = 9,442.34 : x
  2. Step 2: Convert to fraction form
    19,314.21/28,943.37 = 9,442.34/x
  3. Step 3: Cross multiply
    19,314.21x = 28,943.37 × 9,442.34
  4. Step 4: Simplify right side
    19,314.21x = 273,292,995.57
  5. Step 5: Solve for x
    x = 273,292,995.57/19,314.21
  6. Step 6: Final answer
    x = 14,149.84

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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.