Home / 15,660.67-23,490.39-5,131.48

Finding the Fourth Proportional to 15,660.67, 23,490.39 and 5,131.48

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Solution

The fourth proportional to 15,660.67, 23,490.39 and 5,131.48 is: 7,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.67 : 23,490.39 = 5,131.48 : x
  2. Step 2: Convert to fraction form
    15,660.67/23,490.39 = 5,131.48/x
  3. Step 3: Cross multiply
    15,660.67x = 23,490.39 × 5,131.48
  4. Step 4: Simplify right side
    15,660.67x = 120,540,466.48
  5. Step 5: Solve for x
    x = 120,540,466.48/15,660.67
  6. Step 6: Final answer
    x = 7,697.02

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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.