Home / 10,845.98-16,278.20-7,733.61

Finding the Fourth Proportional to 10,845.98, 16,278.20 and 7,733.61

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Solution

The fourth proportional to 10,845.98, 16,278.20 and 7,733.61 is: 11,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.98 : 16,278.20 = 7,733.61 : x
  2. Step 2: Convert to fraction form
    10,845.98/16,278.20 = 7,733.61/x
  3. Step 3: Cross multiply
    10,845.98x = 16,278.20 × 7,733.61
  4. Step 4: Simplify right side
    10,845.98x = 125,889,269.64
  5. Step 5: Solve for x
    x = 125,889,269.64/10,845.98
  6. Step 6: Final answer
    x = 11,607.00

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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.