Home / 21,433.83-29,577.87-12,001.92

Finding the Fourth Proportional to 21,433.83, 29,577.87 and 12,001.92

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Solution

The fourth proportional to 21,433.83, 29,577.87 and 12,001.92 is: 16,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.83 : 29,577.87 = 12,001.92 : x
  2. Step 2: Convert to fraction form
    21,433.83/29,577.87 = 12,001.92/x
  3. Step 3: Cross multiply
    21,433.83x = 29,577.87 × 12,001.92
  4. Step 4: Simplify right side
    21,433.83x = 354,991,229.51
  5. Step 5: Solve for x
    x = 354,991,229.51/21,433.83
  6. Step 6: Final answer
    x = 16,562.19

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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.