Home / 18,914.45-28,412.98-16,257.24

Finding the Fourth Proportional to 18,914.45, 28,412.98 and 16,257.24

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Solution

The fourth proportional to 18,914.45, 28,412.98 and 16,257.24 is: 24,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.45 : 28,412.98 = 16,257.24 : x
  2. Step 2: Convert to fraction form
    18,914.45/28,412.98 = 16,257.24/x
  3. Step 3: Cross multiply
    18,914.45x = 28,412.98 × 16,257.24
  4. Step 4: Simplify right side
    18,914.45x = 461,916,594.33
  5. Step 5: Solve for x
    x = 461,916,594.33/18,914.45
  6. Step 6: Final answer
    x = 24,421.37

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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.