Home / 9,126.72-13,678.08-4,195.68

Finding the Fourth Proportional to 9,126.72, 13,678.08 and 4,195.68

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Solution

The fourth proportional to 9,126.72, 13,678.08 and 4,195.68 is: 6,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.72 : 13,678.08 = 4,195.68 : x
  2. Step 2: Convert to fraction form
    9,126.72/13,678.08 = 4,195.68/x
  3. Step 3: Cross multiply
    9,126.72x = 13,678.08 × 4,195.68
  4. Step 4: Simplify right side
    9,126.72x = 57,388,846.69
  5. Step 5: Solve for x
    x = 57,388,846.69/9,126.72
  6. Step 6: Final answer
    x = 6,288.00

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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.