Home / 20,349.91-30,525.27-13,374.39

Finding the Fourth Proportional to 20,349.91, 30,525.27 and 13,374.39

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Solution

The fourth proportional to 20,349.91, 30,525.27 and 13,374.39 is: 20,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.91 : 30,525.27 = 13,374.39 : x
  2. Step 2: Convert to fraction form
    20,349.91/30,525.27 = 13,374.39/x
  3. Step 3: Cross multiply
    20,349.91x = 30,525.27 × 13,374.39
  4. Step 4: Simplify right side
    20,349.91x = 408,256,865.84
  5. Step 5: Solve for x
    x = 408,256,865.84/20,349.91
  6. Step 6: Final answer
    x = 20,061.85

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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.