Home / 15,466.86-23,179.32-7,128.54

Finding the Fourth Proportional to 15,466.86, 23,179.32 and 7,128.54

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Solution

The fourth proportional to 15,466.86, 23,179.32 and 7,128.54 is: 10,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.86 : 23,179.32 = 7,128.54 : x
  2. Step 2: Convert to fraction form
    15,466.86/23,179.32 = 7,128.54/x
  3. Step 3: Cross multiply
    15,466.86x = 23,179.32 × 7,128.54
  4. Step 4: Simplify right side
    15,466.86x = 165,234,709.79
  5. Step 5: Solve for x
    x = 165,234,709.79/15,466.86
  6. Step 6: Final answer
    x = 10,683.15

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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.