Home / 19,677.52-27,154.11-11,179.62

Finding the Fourth Proportional to 19,677.52, 27,154.11 and 11,179.62

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Solution

The fourth proportional to 19,677.52, 27,154.11 and 11,179.62 is: 15,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.52 : 27,154.11 = 11,179.62 : x
  2. Step 2: Convert to fraction form
    19,677.52/27,154.11 = 11,179.62/x
  3. Step 3: Cross multiply
    19,677.52x = 27,154.11 × 11,179.62
  4. Step 4: Simplify right side
    19,677.52x = 303,572,631.24
  5. Step 5: Solve for x
    x = 303,572,631.24/19,677.52
  6. Step 6: Final answer
    x = 15,427.38

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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.