Home / 10,147.73-13,999.66-6,369.68

Finding the Fourth Proportional to 10,147.73, 13,999.66 and 6,369.68

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Solution

The fourth proportional to 10,147.73, 13,999.66 and 6,369.68 is: 8,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.73 : 13,999.66 = 6,369.68 : x
  2. Step 2: Convert to fraction form
    10,147.73/13,999.66 = 6,369.68/x
  3. Step 3: Cross multiply
    10,147.73x = 13,999.66 × 6,369.68
  4. Step 4: Simplify right side
    10,147.73x = 89,173,373.38
  5. Step 5: Solve for x
    x = 89,173,373.38/10,147.73
  6. Step 6: Final answer
    x = 8,787.52

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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.