Home / 18,667.65-25,752.99-12,615.96

Finding the Fourth Proportional to 18,667.65, 25,752.99 and 12,615.96

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Solution

The fourth proportional to 18,667.65, 25,752.99 and 12,615.96 is: 17,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.65 : 25,752.99 = 12,615.96 : x
  2. Step 2: Convert to fraction form
    18,667.65/25,752.99 = 12,615.96/x
  3. Step 3: Cross multiply
    18,667.65x = 25,752.99 × 12,615.96
  4. Step 4: Simplify right side
    18,667.65x = 324,898,691.72
  5. Step 5: Solve for x
    x = 324,898,691.72/18,667.65
  6. Step 6: Final answer
    x = 17,404.37

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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.