Home / 21,193.10-29,237.72-12,234.26

Finding the Fourth Proportional to 21,193.10, 29,237.72 and 12,234.26

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Solution

The fourth proportional to 21,193.10, 29,237.72 and 12,234.26 is: 16,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.10 : 29,237.72 = 12,234.26 : x
  2. Step 2: Convert to fraction form
    21,193.10/29,237.72 = 12,234.26/x
  3. Step 3: Cross multiply
    21,193.10x = 29,237.72 × 12,234.26
  4. Step 4: Simplify right side
    21,193.10x = 357,701,868.29
  5. Step 5: Solve for x
    x = 357,701,868.29/21,193.10
  6. Step 6: Final answer
    x = 16,878.22

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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.