Home / 20,018.30-27,634.41-14,280.14

Finding the Fourth Proportional to 20,018.30, 27,634.41 and 14,280.14

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Solution

The fourth proportional to 20,018.30, 27,634.41 and 14,280.14 is: 19,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.30 : 27,634.41 = 14,280.14 : x
  2. Step 2: Convert to fraction form
    20,018.30/27,634.41 = 14,280.14/x
  3. Step 3: Cross multiply
    20,018.30x = 27,634.41 × 14,280.14
  4. Step 4: Simplify right side
    20,018.30x = 394,623,312.70
  5. Step 5: Solve for x
    x = 394,623,312.70/20,018.30
  6. Step 6: Final answer
    x = 19,713.13

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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.