Home / 18,771.46-25,904.64-10,274.38

Finding the Fourth Proportional to 18,771.46, 25,904.64 and 10,274.38

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Solution

The fourth proportional to 18,771.46, 25,904.64 and 10,274.38 is: 14,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.46 : 25,904.64 = 10,274.38 : x
  2. Step 2: Convert to fraction form
    18,771.46/25,904.64 = 10,274.38/x
  3. Step 3: Cross multiply
    18,771.46x = 25,904.64 × 10,274.38
  4. Step 4: Simplify right side
    18,771.46x = 266,154,115.12
  5. Step 5: Solve for x
    x = 266,154,115.12/18,771.46
  6. Step 6: Final answer
    x = 14,178.66

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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.