Home / 13,180.63-19,765.98-4,293.64

Finding the Fourth Proportional to 13,180.63, 19,765.98 and 4,293.64

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Solution

The fourth proportional to 13,180.63, 19,765.98 and 4,293.64 is: 6,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.63 : 19,765.98 = 4,293.64 : x
  2. Step 2: Convert to fraction form
    13,180.63/19,765.98 = 4,293.64/x
  3. Step 3: Cross multiply
    13,180.63x = 19,765.98 × 4,293.64
  4. Step 4: Simplify right side
    13,180.63x = 84,868,002.37
  5. Step 5: Solve for x
    x = 84,868,002.37/13,180.63
  6. Step 6: Final answer
    x = 6,438.84

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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.