Home / 21,043.96-29,039.79-11,612.32

Finding the Fourth Proportional to 21,043.96, 29,039.79 and 11,612.32

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Solution

The fourth proportional to 21,043.96, 29,039.79 and 11,612.32 is: 16,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.96 : 29,039.79 = 11,612.32 : x
  2. Step 2: Convert to fraction form
    21,043.96/29,039.79 = 11,612.32/x
  3. Step 3: Cross multiply
    21,043.96x = 29,039.79 × 11,612.32
  4. Step 4: Simplify right side
    21,043.96x = 337,219,334.21
  5. Step 5: Solve for x
    x = 337,219,334.21/21,043.96
  6. Step 6: Final answer
    x = 16,024.52

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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.