Home / 18,134.70-27,176.54-14,420.45

Finding the Fourth Proportional to 18,134.70, 27,176.54 and 14,420.45

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Solution

The fourth proportional to 18,134.70, 27,176.54 and 14,420.45 is: 21,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.70 : 27,176.54 = 14,420.45 : x
  2. Step 2: Convert to fraction form
    18,134.70/27,176.54 = 14,420.45/x
  3. Step 3: Cross multiply
    18,134.70x = 27,176.54 × 14,420.45
  4. Step 4: Simplify right side
    18,134.70x = 391,897,728.26
  5. Step 5: Solve for x
    x = 391,897,728.26/18,134.70
  6. Step 6: Final answer
    x = 21,610.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.