Home / 18,650.52-25,705.26-13,606.43

Finding the Fourth Proportional to 18,650.52, 25,705.26 and 13,606.43

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Solution

The fourth proportional to 18,650.52, 25,705.26 and 13,606.43 is: 18,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.52 : 25,705.26 = 13,606.43 : x
  2. Step 2: Convert to fraction form
    18,650.52/25,705.26 = 13,606.43/x
  3. Step 3: Cross multiply
    18,650.52x = 25,705.26 × 13,606.43
  4. Step 4: Simplify right side
    18,650.52x = 349,756,692.30
  5. Step 5: Solve for x
    x = 349,756,692.30/18,650.52
  6. Step 6: Final answer
    x = 18,753.19

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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.