Home / 9,979.45-14,973.71-3,739.93

Finding the Fourth Proportional to 9,979.45, 14,973.71 and 3,739.93

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Solution

The fourth proportional to 9,979.45, 14,973.71 and 3,739.93 is: 5,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.45 : 14,973.71 = 3,739.93 : x
  2. Step 2: Convert to fraction form
    9,979.45/14,973.71 = 3,739.93/x
  3. Step 3: Cross multiply
    9,979.45x = 14,973.71 × 3,739.93
  4. Step 4: Simplify right side
    9,979.45x = 56,000,571.11
  5. Step 5: Solve for x
    x = 56,000,571.11/9,979.45
  6. Step 6: Final answer
    x = 5,611.59

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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.