Home / 14,415.31-19,902.21-11,051.89

Finding the Fourth Proportional to 14,415.31, 19,902.21 and 11,051.89

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Solution

The fourth proportional to 14,415.31, 19,902.21 and 11,051.89 is: 15,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.31 : 19,902.21 = 11,051.89 : x
  2. Step 2: Convert to fraction form
    14,415.31/19,902.21 = 11,051.89/x
  3. Step 3: Cross multiply
    14,415.31x = 19,902.21 × 11,051.89
  4. Step 4: Simplify right side
    14,415.31x = 219,957,035.68
  5. Step 5: Solve for x
    x = 219,957,035.68/14,415.31
  6. Step 6: Final answer
    x = 15,258.57

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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.