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Finding the Fourth Proportional to 18,477.04, 27,699 and 6,782.08

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Solution

The fourth proportional to 18,477.04, 27,699 and 6,782.08 is: 10,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.04 : 27,699 = 6,782.08 : x
  2. Step 2: Convert to fraction form
    18,477.04/27,699 = 6,782.08/x
  3. Step 3: Cross multiply
    18,477.04x = 27,699 × 6,782.08
  4. Step 4: Simplify right side
    18,477.04x = 187,856,833.92
  5. Step 5: Solve for x
    x = 187,856,833.92/18,477.04
  6. Step 6: Final answer
    x = 10,167.04

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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.