Home / 16,965.96-25,399.50-12,602.76

Finding the Fourth Proportional to 16,965.96, 25,399.50 and 12,602.76

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Solution

The fourth proportional to 16,965.96, 25,399.50 and 12,602.76 is: 18,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.96 : 25,399.50 = 12,602.76 : x
  2. Step 2: Convert to fraction form
    16,965.96/25,399.50 = 12,602.76/x
  3. Step 3: Cross multiply
    16,965.96x = 25,399.50 × 12,602.76
  4. Step 4: Simplify right side
    16,965.96x = 320,103,802.62
  5. Step 5: Solve for x
    x = 320,103,802.62/16,965.96
  6. Step 6: Final answer
    x = 18,867.41

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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.