Home / 14,421.45-19,919.27-10,436.25

Finding the Fourth Proportional to 14,421.45, 19,919.27 and 10,436.25

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Solution

The fourth proportional to 14,421.45, 19,919.27 and 10,436.25 is: 14,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.45 : 19,919.27 = 10,436.25 : x
  2. Step 2: Convert to fraction form
    14,421.45/19,919.27 = 10,436.25/x
  3. Step 3: Cross multiply
    14,421.45x = 19,919.27 × 10,436.25
  4. Step 4: Simplify right side
    14,421.45x = 207,882,481.54
  5. Step 5: Solve for x
    x = 207,882,481.54/14,421.45
  6. Step 6: Final answer
    x = 14,414.81

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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.