Home / 12,529.44-17,285.76-8,052.57

Finding the Fourth Proportional to 12,529.44, 17,285.76 and 8,052.57

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Solution

The fourth proportional to 12,529.44, 17,285.76 and 8,052.57 is: 11,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.44 : 17,285.76 = 8,052.57 : x
  2. Step 2: Convert to fraction form
    12,529.44/17,285.76 = 8,052.57/x
  3. Step 3: Cross multiply
    12,529.44x = 17,285.76 × 8,052.57
  4. Step 4: Simplify right side
    12,529.44x = 139,194,792.40
  5. Step 5: Solve for x
    x = 139,194,792.40/12,529.44
  6. Step 6: Final answer
    x = 11,109.42

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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.