Home / 9,479.36-14,221.53-3,239.36

Finding the Fourth Proportional to 9,479.36, 14,221.53 and 3,239.36

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Solution

The fourth proportional to 9,479.36, 14,221.53 and 3,239.36 is: 4,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.36 : 14,221.53 = 3,239.36 : x
  2. Step 2: Convert to fraction form
    9,479.36/14,221.53 = 3,239.36/x
  3. Step 3: Cross multiply
    9,479.36x = 14,221.53 × 3,239.36
  4. Step 4: Simplify right side
    9,479.36x = 46,068,584.31
  5. Step 5: Solve for x
    x = 46,068,584.31/9,479.36
  6. Step 6: Final answer
    x = 4,859.89

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1.5x scale

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.