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Finding the Fourth Proportional to 14,459, 19,957.07 and 8,175.02

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Solution

The fourth proportional to 14,459, 19,957.07 and 8,175.02 is: 11,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459 : 19,957.07 = 8,175.02 : x
  2. Step 2: Convert to fraction form
    14,459/19,957.07 = 8,175.02/x
  3. Step 3: Cross multiply
    14,459x = 19,957.07 × 8,175.02
  4. Step 4: Simplify right side
    14,459x = 163,149,405.52
  5. Step 5: Solve for x
    x = 163,149,405.52/14,459
  6. Step 6: Final answer
    x = 11,283.59

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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.