Home / 13,014.76-17,960.88-7,350.70

Finding the Fourth Proportional to 13,014.76, 17,960.88 and 7,350.70

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Solution

The fourth proportional to 13,014.76, 17,960.88 and 7,350.70 is: 10,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.76 : 17,960.88 = 7,350.70 : x
  2. Step 2: Convert to fraction form
    13,014.76/17,960.88 = 7,350.70/x
  3. Step 3: Cross multiply
    13,014.76x = 17,960.88 × 7,350.70
  4. Step 4: Simplify right side
    13,014.76x = 132,025,040.62
  5. Step 5: Solve for x
    x = 132,025,040.62/13,014.76
  6. Step 6: Final answer
    x = 10,144.25

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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.