Home / 18,178.42-27,271.28-6,491.34

Finding the Fourth Proportional to 18,178.42, 27,271.28 and 6,491.34

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Solution

The fourth proportional to 18,178.42, 27,271.28 and 6,491.34 is: 9,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.42 : 27,271.28 = 6,491.34 : x
  2. Step 2: Convert to fraction form
    18,178.42/27,271.28 = 6,491.34/x
  3. Step 3: Cross multiply
    18,178.42x = 27,271.28 × 6,491.34
  4. Step 4: Simplify right side
    18,178.42x = 177,027,150.72
  5. Step 5: Solve for x
    x = 177,027,150.72/18,178.42
  6. Step 6: Final answer
    x = 9,738.31

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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.