Home / 25,178.14-37,767.12-7,647.94

Finding the Fourth Proportional to 25,178.14, 37,767.12 and 7,647.94

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Solution

The fourth proportional to 25,178.14, 37,767.12 and 7,647.94 is: 11,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.14 : 37,767.12 = 7,647.94 : x
  2. Step 2: Convert to fraction form
    25,178.14/37,767.12 = 7,647.94/x
  3. Step 3: Cross multiply
    25,178.14x = 37,767.12 × 7,647.94
  4. Step 4: Simplify right side
    25,178.14x = 288,840,667.73
  5. Step 5: Solve for x
    x = 288,840,667.73/25,178.14
  6. Step 6: Final answer
    x = 11,471.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.