Home / 12,661.60-17,469.45-7,283.76

Finding the Fourth Proportional to 12,661.60, 17,469.45 and 7,283.76

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Solution

The fourth proportional to 12,661.60, 17,469.45 and 7,283.76 is: 10,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.60 : 17,469.45 = 7,283.76 : x
  2. Step 2: Convert to fraction form
    12,661.60/17,469.45 = 7,283.76/x
  3. Step 3: Cross multiply
    12,661.60x = 17,469.45 × 7,283.76
  4. Step 4: Simplify right side
    12,661.60x = 127,243,193.78
  5. Step 5: Solve for x
    x = 127,243,193.78/12,661.60
  6. Step 6: Final answer
    x = 10,049.54

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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.