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Finding the Fourth Proportional to 11,031.84, 16,558.70 and 8,976.06

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Solution

The fourth proportional to 11,031.84, 16,558.70 and 8,976.06 is: 13,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.84 : 16,558.70 = 8,976.06 : x
  2. Step 2: Convert to fraction form
    11,031.84/16,558.70 = 8,976.06/x
  3. Step 3: Cross multiply
    11,031.84x = 16,558.70 × 8,976.06
  4. Step 4: Simplify right side
    11,031.84x = 148,631,839.84
  5. Step 5: Solve for x
    x = 148,631,839.84/11,031.84
  6. Step 6: Final answer
    x = 13,472.99

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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.