Home / 13,015.46-17,960.60-7,351.36

Finding the Fourth Proportional to 13,015.46, 17,960.60 and 7,351.36

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Solution

The fourth proportional to 13,015.46, 17,960.60 and 7,351.36 is: 10,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.46 : 17,960.60 = 7,351.36 : x
  2. Step 2: Convert to fraction form
    13,015.46/17,960.60 = 7,351.36/x
  3. Step 3: Cross multiply
    13,015.46x = 17,960.60 × 7,351.36
  4. Step 4: Simplify right side
    13,015.46x = 132,034,877.25
  5. Step 5: Solve for x
    x = 132,034,877.25/13,015.46
  6. Step 6: Final answer
    x = 10,144.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.