Home / 18,304.08-27,457.84-5,156.80

Finding the Fourth Proportional to 18,304.08, 27,457.84 and 5,156.80

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Solution

The fourth proportional to 18,304.08, 27,457.84 and 5,156.80 is: 7,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.08 : 27,457.84 = 5,156.80 : x
  2. Step 2: Convert to fraction form
    18,304.08/27,457.84 = 5,156.80/x
  3. Step 3: Cross multiply
    18,304.08x = 27,457.84 × 5,156.80
  4. Step 4: Simplify right side
    18,304.08x = 141,594,589.31
  5. Step 5: Solve for x
    x = 141,594,589.31/18,304.08
  6. Step 6: Final answer
    x = 7,735.68

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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.