Home / 14,479.33-19,982.45-8,106.49

Finding the Fourth Proportional to 14,479.33, 19,982.45 and 8,106.49

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Solution

The fourth proportional to 14,479.33, 19,982.45 and 8,106.49 is: 11,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.33 : 19,982.45 = 8,106.49 : x
  2. Step 2: Convert to fraction form
    14,479.33/19,982.45 = 8,106.49/x
  3. Step 3: Cross multiply
    14,479.33x = 19,982.45 × 8,106.49
  4. Step 4: Simplify right side
    14,479.33x = 161,987,531.10
  5. Step 5: Solve for x
    x = 161,987,531.10/14,479.33
  6. Step 6: Final answer
    x = 11,187.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.