Home / 21,098.70-29,102.73-16,051.86

Finding the Fourth Proportional to 21,098.70, 29,102.73 and 16,051.86

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Solution

The fourth proportional to 21,098.70, 29,102.73 and 16,051.86 is: 22,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.70 : 29,102.73 = 16,051.86 : x
  2. Step 2: Convert to fraction form
    21,098.70/29,102.73 = 16,051.86/x
  3. Step 3: Cross multiply
    21,098.70x = 29,102.73 × 16,051.86
  4. Step 4: Simplify right side
    21,098.70x = 467,152,947.58
  5. Step 5: Solve for x
    x = 467,152,947.58/21,098.70
  6. Step 6: Final answer
    x = 22,141.31

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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.