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Finding the Fourth Proportional to 12,500.10, 17,250.12 and 7,192.98

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Solution

The fourth proportional to 12,500.10, 17,250.12 and 7,192.98 is: 9,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.10 : 17,250.12 = 7,192.98 : x
  2. Step 2: Convert to fraction form
    12,500.10/17,250.12 = 7,192.98/x
  3. Step 3: Cross multiply
    12,500.10x = 17,250.12 × 7,192.98
  4. Step 4: Simplify right side
    12,500.10x = 124,079,768.16
  5. Step 5: Solve for x
    x = 124,079,768.16/12,500.10
  6. Step 6: Final answer
    x = 9,926.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.