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Finding the Fourth Proportional to 43,340, 65,010 and 10,508

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Solution

The fourth proportional to 43,340, 65,010 and 10,508 is: 15,762

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340 : 65,010 = 10,508 : x
  2. Step 2: Convert to fraction form
    43,340/65,010 = 10,508/x
  3. Step 3: Cross multiply
    43,340x = 65,010 × 10,508
  4. Step 4: Simplify right side
    43,340x = 683,125,080
  5. Step 5: Solve for x
    x = 683,125,080/43,340
  6. Step 6: Final answer
    x = 15,762

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.