Home / 9,739.80-14,606.10-3,166.20

Finding the Fourth Proportional to 9,739.80, 14,606.10 and 3,166.20

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Solution

The fourth proportional to 9,739.80, 14,606.10 and 3,166.20 is: 4,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.80 : 14,606.10 = 3,166.20 : x
  2. Step 2: Convert to fraction form
    9,739.80/14,606.10 = 3,166.20/x
  3. Step 3: Cross multiply
    9,739.80x = 14,606.10 × 3,166.20
  4. Step 4: Simplify right side
    9,739.80x = 46,245,833.82
  5. Step 5: Solve for x
    x = 46,245,833.82/9,739.80
  6. Step 6: Final answer
    x = 4,748.13

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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.