Home / 10,822.08-14,895.60-7,672.80

Finding the Fourth Proportional to 10,822.08, 14,895.60 and 7,672.80

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Solution

The fourth proportional to 10,822.08, 14,895.60 and 7,672.80 is: 10,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.08 : 14,895.60 = 7,672.80 : x
  2. Step 2: Convert to fraction form
    10,822.08/14,895.60 = 7,672.80/x
  3. Step 3: Cross multiply
    10,822.08x = 14,895.60 × 7,672.80
  4. Step 4: Simplify right side
    10,822.08x = 114,290,959.68
  5. Step 5: Solve for x
    x = 114,290,959.68/10,822.08
  6. Step 6: Final answer
    x = 10,560.91

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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.