Home / 22,657.21-31,278.31-14,164.05

Finding the Fourth Proportional to 22,657.21, 31,278.31 and 14,164.05

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Solution

The fourth proportional to 22,657.21, 31,278.31 and 14,164.05 is: 19,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.21 : 31,278.31 = 14,164.05 : x
  2. Step 2: Convert to fraction form
    22,657.21/31,278.31 = 14,164.05/x
  3. Step 3: Cross multiply
    22,657.21x = 31,278.31 × 14,164.05
  4. Step 4: Simplify right side
    22,657.21x = 443,027,511.35
  5. Step 5: Solve for x
    x = 443,027,511.35/22,657.21
  6. Step 6: Final answer
    x = 19,553.49

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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.