Home / 14,974.59-20,651.81-11,989.34

Finding the Fourth Proportional to 14,974.59, 20,651.81 and 11,989.34

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Solution

The fourth proportional to 14,974.59, 20,651.81 and 11,989.34 is: 16,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.59 : 20,651.81 = 11,989.34 : x
  2. Step 2: Convert to fraction form
    14,974.59/20,651.81 = 11,989.34/x
  3. Step 3: Cross multiply
    14,974.59x = 20,651.81 × 11,989.34
  4. Step 4: Simplify right side
    14,974.59x = 247,601,468.45
  5. Step 5: Solve for x
    x = 247,601,468.45/14,974.59
  6. Step 6: Final answer
    x = 16,534.77

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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.