Home / 18,275.36-27,409.92-6,586.88

Finding the Fourth Proportional to 18,275.36, 27,409.92 and 6,586.88

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Solution

The fourth proportional to 18,275.36, 27,409.92 and 6,586.88 is: 9,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.36 : 27,409.92 = 6,586.88 : x
  2. Step 2: Convert to fraction form
    18,275.36/27,409.92 = 6,586.88/x
  3. Step 3: Cross multiply
    18,275.36x = 27,409.92 × 6,586.88
  4. Step 4: Simplify right side
    18,275.36x = 180,545,853.85
  5. Step 5: Solve for x
    x = 180,545,853.85/18,275.36
  6. Step 6: Final answer
    x = 9,879.20

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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.