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Finding the Fourth Proportional to 10,733, 14,811.54 and 7,007

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Solution

The fourth proportional to 10,733, 14,811.54 and 7,007 is: 9,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,733 : 14,811.54 = 7,007 : x
  2. Step 2: Convert to fraction form
    10,733/14,811.54 = 7,007/x
  3. Step 3: Cross multiply
    10,733x = 14,811.54 × 7,007
  4. Step 4: Simplify right side
    10,733x = 103,784,460.78
  5. Step 5: Solve for x
    x = 103,784,460.78/10,733
  6. Step 6: Final answer
    x = 9,669.66

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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.