Home / 20,187.34-27,852.18-14,222.30

Finding the Fourth Proportional to 20,187.34, 27,852.18 and 14,222.30

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Solution

The fourth proportional to 20,187.34, 27,852.18 and 14,222.30 is: 19,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.34 : 27,852.18 = 14,222.30 : x
  2. Step 2: Convert to fraction form
    20,187.34/27,852.18 = 14,222.30/x
  3. Step 3: Cross multiply
    20,187.34x = 27,852.18 × 14,222.30
  4. Step 4: Simplify right side
    20,187.34x = 396,122,059.61
  5. Step 5: Solve for x
    x = 396,122,059.61/20,187.34
  6. Step 6: Final answer
    x = 19,622.30

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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.