Home / 21,790.98-32,656.23-11,381.94

Finding the Fourth Proportional to 21,790.98, 32,656.23 and 11,381.94

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Solution

The fourth proportional to 21,790.98, 32,656.23 and 11,381.94 is: 17,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.98 : 32,656.23 = 11,381.94 : x
  2. Step 2: Convert to fraction form
    21,790.98/32,656.23 = 11,381.94/x
  3. Step 3: Cross multiply
    21,790.98x = 32,656.23 × 11,381.94
  4. Step 4: Simplify right side
    21,790.98x = 371,691,250.49
  5. Step 5: Solve for x
    x = 371,691,250.49/21,790.98
  6. Step 6: Final answer
    x = 17,057.11

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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.