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Finding the Fourth Proportional to 9,773.13, 14,659.69 and 3,928.37

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Solution

The fourth proportional to 9,773.13, 14,659.69 and 3,928.37 is: 5,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773.13 : 14,659.69 = 3,928.37 : x
  2. Step 2: Convert to fraction form
    9,773.13/14,659.69 = 3,928.37/x
  3. Step 3: Cross multiply
    9,773.13x = 14,659.69 × 3,928.37
  4. Step 4: Simplify right side
    9,773.13x = 57,588,593.47
  5. Step 5: Solve for x
    x = 57,588,593.47/9,773.13
  6. Step 6: Final answer
    x = 5,892.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.