Home / 22,872.98-31,560.55-13,180.93

Finding the Fourth Proportional to 22,872.98, 31,560.55 and 13,180.93

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Solution

The fourth proportional to 22,872.98, 31,560.55 and 13,180.93 is: 18,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.98 : 31,560.55 = 13,180.93 : x
  2. Step 2: Convert to fraction form
    22,872.98/31,560.55 = 13,180.93/x
  3. Step 3: Cross multiply
    22,872.98x = 31,560.55 × 13,180.93
  4. Step 4: Simplify right side
    22,872.98x = 415,997,288.46
  5. Step 5: Solve for x
    x = 415,997,288.46/22,872.98
  6. Step 6: Final answer
    x = 18,187.28

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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.