Home / 19,107.54-28,680.75-13,567.14

Finding the Fourth Proportional to 19,107.54, 28,680.75 and 13,567.14

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Solution

The fourth proportional to 19,107.54, 28,680.75 and 13,567.14 is: 20,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.54 : 28,680.75 = 13,567.14 : x
  2. Step 2: Convert to fraction form
    19,107.54/28,680.75 = 13,567.14/x
  3. Step 3: Cross multiply
    19,107.54x = 28,680.75 × 13,567.14
  4. Step 4: Simplify right side
    19,107.54x = 389,115,750.56
  5. Step 5: Solve for x
    x = 389,115,750.56/19,107.54
  6. Step 6: Final answer
    x = 20,364.51

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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.