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Finding the Fourth Proportional to 18,572.04, 27,858.96 and 6,090.96

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Solution

The fourth proportional to 18,572.04, 27,858.96 and 6,090.96 is: 9,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.04 : 27,858.96 = 6,090.96 : x
  2. Step 2: Convert to fraction form
    18,572.04/27,858.96 = 6,090.96/x
  3. Step 3: Cross multiply
    18,572.04x = 27,858.96 × 6,090.96
  4. Step 4: Simplify right side
    18,572.04x = 169,687,811.00
  5. Step 5: Solve for x
    x = 169,687,811.00/18,572.04
  6. Step 6: Final answer
    x = 9,136.74

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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.