Home / 18,134.72-27,176.54-14,420.46

Finding the Fourth Proportional to 18,134.72, 27,176.54 and 14,420.46

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Solution

The fourth proportional to 18,134.72, 27,176.54 and 14,420.46 is: 21,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.72 : 27,176.54 = 14,420.46 : x
  2. Step 2: Convert to fraction form
    18,134.72/27,176.54 = 14,420.46/x
  3. Step 3: Cross multiply
    18,134.72x = 27,176.54 × 14,420.46
  4. Step 4: Simplify right side
    18,134.72x = 391,898,208.01
  5. Step 5: Solve for x
    x = 391,898,208.01/18,134.72
  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.