Home / 19,688.73-27,171.02-10,736.41

Finding the Fourth Proportional to 19,688.73, 27,171.02 and 10,736.41

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Solution

The fourth proportional to 19,688.73, 27,171.02 and 10,736.41 is: 14,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.73 : 27,171.02 = 10,736.41 : x
  2. Step 2: Convert to fraction form
    19,688.73/27,171.02 = 10,736.41/x
  3. Step 3: Cross multiply
    19,688.73x = 27,171.02 × 10,736.41
  4. Step 4: Simplify right side
    19,688.73x = 291,719,021.30
  5. Step 5: Solve for x
    x = 291,719,021.30/19,688.73
  6. Step 6: Final answer
    x = 14,816.55

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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.