Home / 15,321.44-22,960.56-6,980.96

Finding the Fourth Proportional to 15,321.44, 22,960.56 and 6,980.96

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Solution

The fourth proportional to 15,321.44, 22,960.56 and 6,980.96 is: 10,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.44 : 22,960.56 = 6,980.96 : x
  2. Step 2: Convert to fraction form
    15,321.44/22,960.56 = 6,980.96/x
  3. Step 3: Cross multiply
    15,321.44x = 22,960.56 × 6,980.96
  4. Step 4: Simplify right side
    15,321.44x = 160,286,750.94
  5. Step 5: Solve for x
    x = 160,286,750.94/15,321.44
  6. Step 6: Final answer
    x = 10,461.60

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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.