Home / 19,289.58-28,887.66-13,349.84

Finding the Fourth Proportional to 19,289.58, 28,887.66 and 13,349.84

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Solution

The fourth proportional to 19,289.58, 28,887.66 and 13,349.84 is: 19,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.58 : 28,887.66 = 13,349.84 : x
  2. Step 2: Convert to fraction form
    19,289.58/28,887.66 = 13,349.84/x
  3. Step 3: Cross multiply
    19,289.58x = 28,887.66 × 13,349.84
  4. Step 4: Simplify right side
    19,289.58x = 385,645,494.54
  5. Step 5: Solve for x
    x = 385,645,494.54/19,289.58
  6. Step 6: Final answer
    x = 19,992.43

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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.