Home / 21,905.98-32,869.33-11,370.40

Finding the Fourth Proportional to 21,905.98, 32,869.33 and 11,370.40

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Solution

The fourth proportional to 21,905.98, 32,869.33 and 11,370.40 is: 17,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.98 : 32,869.33 = 11,370.40 : x
  2. Step 2: Convert to fraction form
    21,905.98/32,869.33 = 11,370.40/x
  3. Step 3: Cross multiply
    21,905.98x = 32,869.33 × 11,370.40
  4. Step 4: Simplify right side
    21,905.98x = 373,737,319.23
  5. Step 5: Solve for x
    x = 373,737,319.23/21,905.98
  6. Step 6: Final answer
    x = 17,060.97

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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.