Home / 19,830.08-27,363.89-11,330.96

Finding the Fourth Proportional to 19,830.08, 27,363.89 and 11,330.96

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Solution

The fourth proportional to 19,830.08, 27,363.89 and 11,330.96 is: 15,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.08 : 27,363.89 = 11,330.96 : x
  2. Step 2: Convert to fraction form
    19,830.08/27,363.89 = 11,330.96/x
  3. Step 3: Cross multiply
    19,830.08x = 27,363.89 × 11,330.96
  4. Step 4: Simplify right side
    19,830.08x = 310,059,034.54
  5. Step 5: Solve for x
    x = 310,059,034.54/19,830.08
  6. Step 6: Final answer
    x = 15,635.79

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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.