Home / 14,051.21-21,084.10-10,187.51

Finding the Fourth Proportional to 14,051.21, 21,084.10 and 10,187.51

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Solution

The fourth proportional to 14,051.21, 21,084.10 and 10,187.51 is: 15,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.21 : 21,084.10 = 10,187.51 : x
  2. Step 2: Convert to fraction form
    14,051.21/21,084.10 = 10,187.51/x
  3. Step 3: Cross multiply
    14,051.21x = 21,084.10 × 10,187.51
  4. Step 4: Simplify right side
    14,051.21x = 214,794,348.70
  5. Step 5: Solve for x
    x = 214,794,348.70/14,051.21
  6. Step 6: Final answer
    x = 15,286.54

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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.