Home / 11,580.48-17,360.96-7,872.30

Finding the Fourth Proportional to 11,580.48, 17,360.96 and 7,872.30

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Solution

The fourth proportional to 11,580.48, 17,360.96 and 7,872.30 is: 11,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.48 : 17,360.96 = 7,872.30 : x
  2. Step 2: Convert to fraction form
    11,580.48/17,360.96 = 7,872.30/x
  3. Step 3: Cross multiply
    11,580.48x = 17,360.96 × 7,872.30
  4. Step 4: Simplify right side
    11,580.48x = 136,670,685.41
  5. Step 5: Solve for x
    x = 136,670,685.41/11,580.48
  6. Step 6: Final answer
    x = 11,801.82

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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.