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Finding the Fourth Proportional to 10,144.62, 13,990.59 and 7,498.62

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Solution

The fourth proportional to 10,144.62, 13,990.59 and 7,498.62 is: 10,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.62 : 13,990.59 = 7,498.62 : x
  2. Step 2: Convert to fraction form
    10,144.62/13,990.59 = 7,498.62/x
  3. Step 3: Cross multiply
    10,144.62x = 13,990.59 × 7,498.62
  4. Step 4: Simplify right side
    10,144.62x = 104,910,117.99
  5. Step 5: Solve for x
    x = 104,910,117.99/10,144.62
  6. Step 6: Final answer
    x = 10,341.45

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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.