Home / 18,729.12-25,846.97-10,771.35

Finding the Fourth Proportional to 18,729.12, 25,846.97 and 10,771.35

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Solution

The fourth proportional to 18,729.12, 25,846.97 and 10,771.35 is: 14,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.12 : 25,846.97 = 10,771.35 : x
  2. Step 2: Convert to fraction form
    18,729.12/25,846.97 = 10,771.35/x
  3. Step 3: Cross multiply
    18,729.12x = 25,846.97 × 10,771.35
  4. Step 4: Simplify right side
    18,729.12x = 278,406,733.38
  5. Step 5: Solve for x
    x = 278,406,733.38/18,729.12
  6. Step 6: Final answer
    x = 14,864.91

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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.