Home / 21,044.24-29,044.32-12,660.56

Finding the Fourth Proportional to 21,044.24, 29,044.32 and 12,660.56

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Solution

The fourth proportional to 21,044.24, 29,044.32 and 12,660.56 is: 17,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.24 : 29,044.32 = 12,660.56 : x
  2. Step 2: Convert to fraction form
    21,044.24/29,044.32 = 12,660.56/x
  3. Step 3: Cross multiply
    21,044.24x = 29,044.32 × 12,660.56
  4. Step 4: Simplify right side
    21,044.24x = 367,717,356.02
  5. Step 5: Solve for x
    x = 367,717,356.02/21,044.24
  6. Step 6: Final answer
    x = 17,473.54

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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.