Home / 11,765.46-16,236.32-6,460.62

Finding the Fourth Proportional to 11,765.46, 16,236.32 and 6,460.62

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Solution

The fourth proportional to 11,765.46, 16,236.32 and 6,460.62 is: 8,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.46 : 16,236.32 = 6,460.62 : x
  2. Step 2: Convert to fraction form
    11,765.46/16,236.32 = 6,460.62/x
  3. Step 3: Cross multiply
    11,765.46x = 16,236.32 × 6,460.62
  4. Step 4: Simplify right side
    11,765.46x = 104,896,693.72
  5. Step 5: Solve for x
    x = 104,896,693.72/11,765.46
  6. Step 6: Final answer
    x = 8,915.65

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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.