Home / 18,539.99-27,814.55-5,392.47

Finding the Fourth Proportional to 18,539.99, 27,814.55 and 5,392.47

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Solution

The fourth proportional to 18,539.99, 27,814.55 and 5,392.47 is: 8,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.99 : 27,814.55 = 5,392.47 : x
  2. Step 2: Convert to fraction form
    18,539.99/27,814.55 = 5,392.47/x
  3. Step 3: Cross multiply
    18,539.99x = 27,814.55 × 5,392.47
  4. Step 4: Simplify right side
    18,539.99x = 149,989,099.48
  5. Step 5: Solve for x
    x = 149,989,099.48/18,539.99
  6. Step 6: Final answer
    x = 8,090.03

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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.