Home / 13,265.30-19,893.71-4,378.97

Finding the Fourth Proportional to 13,265.30, 19,893.71 and 4,378.97

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Solution

The fourth proportional to 13,265.30, 19,893.71 and 4,378.97 is: 6,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.30 : 19,893.71 = 4,378.97 : x
  2. Step 2: Convert to fraction form
    13,265.30/19,893.71 = 4,378.97/x
  3. Step 3: Cross multiply
    13,265.30x = 19,893.71 × 4,378.97
  4. Step 4: Simplify right side
    13,265.30x = 87,114,019.96
  5. Step 5: Solve for x
    x = 87,114,019.96/13,265.30
  6. Step 6: Final answer
    x = 6,567.06

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1.5x scale

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.