Home / 10,761.12-16,139.74-2,968

Finding the Fourth Proportional to 10,761.12, 16,139.74 and 2,968

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Solution

The fourth proportional to 10,761.12, 16,139.74 and 2,968 is: 4,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.12 : 16,139.74 = 2,968 : x
  2. Step 2: Convert to fraction form
    10,761.12/16,139.74 = 2,968/x
  3. Step 3: Cross multiply
    10,761.12x = 16,139.74 × 2,968
  4. Step 4: Simplify right side
    10,761.12x = 47,902,748.32
  5. Step 5: Solve for x
    x = 47,902,748.32/10,761.12
  6. Step 6: Final answer
    x = 4,451.46

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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.