Home / 18,558.45-25,613.69-13,809.96

Finding the Fourth Proportional to 18,558.45, 25,613.69 and 13,809.96

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Solution

The fourth proportional to 18,558.45, 25,613.69 and 13,809.96 is: 19,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.45 : 25,613.69 = 13,809.96 : x
  2. Step 2: Convert to fraction form
    18,558.45/25,613.69 = 13,809.96/x
  3. Step 3: Cross multiply
    18,558.45x = 25,613.69 × 13,809.96
  4. Step 4: Simplify right side
    18,558.45x = 353,723,965.30
  5. Step 5: Solve for x
    x = 353,723,965.30/18,558.45
  6. Step 6: Final answer
    x = 19,060.00

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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.