Home / 18,659.13-25,771.46-12,360.57

Finding the Fourth Proportional to 18,659.13, 25,771.46 and 12,360.57

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Solution

The fourth proportional to 18,659.13, 25,771.46 and 12,360.57 is: 17,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.13 : 25,771.46 = 12,360.57 : x
  2. Step 2: Convert to fraction form
    18,659.13/25,771.46 = 12,360.57/x
  3. Step 3: Cross multiply
    18,659.13x = 25,771.46 × 12,360.57
  4. Step 4: Simplify right side
    18,659.13x = 318,549,935.33
  5. Step 5: Solve for x
    x = 318,549,935.33/18,659.13
  6. Step 6: Final answer
    x = 17,072.07

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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.