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Finding the Fourth Proportional to 10,656.84, 15,985.16 and 5,976.84

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Solution

The fourth proportional to 10,656.84, 15,985.16 and 5,976.84 is: 8,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.84 : 15,985.16 = 5,976.84 : x
  2. Step 2: Convert to fraction form
    10,656.84/15,985.16 = 5,976.84/x
  3. Step 3: Cross multiply
    10,656.84x = 15,985.16 × 5,976.84
  4. Step 4: Simplify right side
    10,656.84x = 95,540,743.69
  5. Step 5: Solve for x
    x = 95,540,743.69/10,656.84
  6. Step 6: Final answer
    x = 8,965.20

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