Home / 13,107.56-19,645.72-7,549.39

Finding the Fourth Proportional to 13,107.56, 19,645.72 and 7,549.39

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Solution

The fourth proportional to 13,107.56, 19,645.72 and 7,549.39 is: 11,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.56 : 19,645.72 = 7,549.39 : x
  2. Step 2: Convert to fraction form
    13,107.56/19,645.72 = 7,549.39/x
  3. Step 3: Cross multiply
    13,107.56x = 19,645.72 × 7,549.39
  4. Step 4: Simplify right side
    13,107.56x = 148,313,139.75
  5. Step 5: Solve for x
    x = 148,313,139.75/13,107.56
  6. Step 6: Final answer
    x = 11,315.09

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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.