Home / 18,257.42-25,189.35-14,416.87

Finding the Fourth Proportional to 18,257.42, 25,189.35 and 14,416.87

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Solution

The fourth proportional to 18,257.42, 25,189.35 and 14,416.87 is: 19,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.42 : 25,189.35 = 14,416.87 : x
  2. Step 2: Convert to fraction form
    18,257.42/25,189.35 = 14,416.87/x
  3. Step 3: Cross multiply
    18,257.42x = 25,189.35 × 14,416.87
  4. Step 4: Simplify right side
    18,257.42x = 363,151,458.39
  5. Step 5: Solve for x
    x = 363,151,458.39/18,257.42
  6. Step 6: Final answer
    x = 19,890.62

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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.