Home / 9,918-14,877.60-2,992.56

Finding the Fourth Proportional to 9,918, 14,877.60 and 2,992.56

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Solution

The fourth proportional to 9,918, 14,877.60 and 2,992.56 is: 4,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918 : 14,877.60 = 2,992.56 : x
  2. Step 2: Convert to fraction form
    9,918/14,877.60 = 2,992.56/x
  3. Step 3: Cross multiply
    9,918x = 14,877.60 × 2,992.56
  4. Step 4: Simplify right side
    9,918x = 44,522,110.66
  5. Step 5: Solve for x
    x = 44,522,110.66/9,918
  6. Step 6: Final answer
    x = 4,489.02

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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.