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Finding the Fourth Proportional to 9,693.88, 14,532.62 and 5,740.88

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Solution

The fourth proportional to 9,693.88, 14,532.62 and 5,740.88 is: 8,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.88 : 14,532.62 = 5,740.88 : x
  2. Step 2: Convert to fraction form
    9,693.88/14,532.62 = 5,740.88/x
  3. Step 3: Cross multiply
    9,693.88x = 14,532.62 × 5,740.88
  4. Step 4: Simplify right side
    9,693.88x = 83,429,926.14
  5. Step 5: Solve for x
    x = 83,429,926.14/9,693.88
  6. Step 6: Final answer
    x = 8,606.46

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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.