Home / 11,362.88-15,680.45-6,327.09

Finding the Fourth Proportional to 11,362.88, 15,680.45 and 6,327.09

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Solution

The fourth proportional to 11,362.88, 15,680.45 and 6,327.09 is: 8,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.88 : 15,680.45 = 6,327.09 : x
  2. Step 2: Convert to fraction form
    11,362.88/15,680.45 = 6,327.09/x
  3. Step 3: Cross multiply
    11,362.88x = 15,680.45 × 6,327.09
  4. Step 4: Simplify right side
    11,362.88x = 99,211,666.45
  5. Step 5: Solve for x
    x = 99,211,666.45/11,362.88
  6. Step 6: Final answer
    x = 8,731.21

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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.