Home / 12,580.38-17,360.73-6,914.88

Finding the Fourth Proportional to 12,580.38, 17,360.73 and 6,914.88

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Solution

The fourth proportional to 12,580.38, 17,360.73 and 6,914.88 is: 9,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.38 : 17,360.73 = 6,914.88 : x
  2. Step 2: Convert to fraction form
    12,580.38/17,360.73 = 6,914.88/x
  3. Step 3: Cross multiply
    12,580.38x = 17,360.73 × 6,914.88
  4. Step 4: Simplify right side
    12,580.38x = 120,047,364.66
  5. Step 5: Solve for x
    x = 120,047,364.66/12,580.38
  6. Step 6: Final answer
    x = 9,542.43

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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.