Home / 20,134.62-27,798.93-13,081.14

Finding the Fourth Proportional to 20,134.62, 27,798.93 and 13,081.14

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Solution

The fourth proportional to 20,134.62, 27,798.93 and 13,081.14 is: 18,060.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.62 : 27,798.93 = 13,081.14 : x
  2. Step 2: Convert to fraction form
    20,134.62/27,798.93 = 13,081.14/x
  3. Step 3: Cross multiply
    20,134.62x = 27,798.93 × 13,081.14
  4. Step 4: Simplify right side
    20,134.62x = 363,641,695.18
  5. Step 5: Solve for x
    x = 363,641,695.18/20,134.62
  6. Step 6: Final answer
    x = 18,060.52

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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.