Home / 10,685.30-16,027.80-4,841.90

Finding the Fourth Proportional to 10,685.30, 16,027.80 and 4,841.90

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Solution

The fourth proportional to 10,685.30, 16,027.80 and 4,841.90 is: 7,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.30 : 16,027.80 = 4,841.90 : x
  2. Step 2: Convert to fraction form
    10,685.30/16,027.80 = 4,841.90/x
  3. Step 3: Cross multiply
    10,685.30x = 16,027.80 × 4,841.90
  4. Step 4: Simplify right side
    10,685.30x = 77,605,004.82
  5. Step 5: Solve for x
    x = 77,605,004.82/10,685.30
  6. Step 6: Final answer
    x = 7,262.78

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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.