Home / 22,872.58-31,560.01-13,180.53

Finding the Fourth Proportional to 22,872.58, 31,560.01 and 13,180.53

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Solution

The fourth proportional to 22,872.58, 31,560.01 and 13,180.53 is: 18,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.58 : 31,560.01 = 13,180.53 : x
  2. Step 2: Convert to fraction form
    22,872.58/31,560.01 = 13,180.53/x
  3. Step 3: Cross multiply
    22,872.58x = 31,560.01 × 13,180.53
  4. Step 4: Simplify right side
    22,872.58x = 415,977,507.30
  5. Step 5: Solve for x
    x = 415,977,507.30/22,872.58
  6. Step 6: Final answer
    x = 18,186.73

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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.