Home / 18,068.78-27,103.01-14,123.36

Finding the Fourth Proportional to 18,068.78, 27,103.01 and 14,123.36

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Solution

The fourth proportional to 18,068.78, 27,103.01 and 14,123.36 is: 21,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.78 : 27,103.01 = 14,123.36 : x
  2. Step 2: Convert to fraction form
    18,068.78/27,103.01 = 14,123.36/x
  3. Step 3: Cross multiply
    18,068.78x = 27,103.01 × 14,123.36
  4. Step 4: Simplify right side
    18,068.78x = 382,785,361.18
  5. Step 5: Solve for x
    x = 382,785,361.18/18,068.78
  6. Step 6: Final answer
    x = 21,184.91

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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.