Home / 9,188.13-12,679.56-4,996.38

Finding the Fourth Proportional to 9,188.13, 12,679.56 and 4,996.38

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Solution

The fourth proportional to 9,188.13, 12,679.56 and 4,996.38 is: 6,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.13 : 12,679.56 = 4,996.38 : x
  2. Step 2: Convert to fraction form
    9,188.13/12,679.56 = 4,996.38/x
  3. Step 3: Cross multiply
    9,188.13x = 12,679.56 × 4,996.38
  4. Step 4: Simplify right side
    9,188.13x = 63,351,899.99
  5. Step 5: Solve for x
    x = 63,351,899.99/9,188.13
  6. Step 6: Final answer
    x = 6,894.97

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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.