Home / 19,892.02-27,451.43-10,940.11

Finding the Fourth Proportional to 19,892.02, 27,451.43 and 10,940.11

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Solution

The fourth proportional to 19,892.02, 27,451.43 and 10,940.11 is: 15,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.02 : 27,451.43 = 10,940.11 : x
  2. Step 2: Convert to fraction form
    19,892.02/27,451.43 = 10,940.11/x
  3. Step 3: Cross multiply
    19,892.02x = 27,451.43 × 10,940.11
  4. Step 4: Simplify right side
    19,892.02x = 300,321,663.86
  5. Step 5: Solve for x
    x = 300,321,663.86/19,892.02
  6. Step 6: Final answer
    x = 15,097.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.