Home / 21,035.79-29,029.39-11,604.35

Finding the Fourth Proportional to 21,035.79, 29,029.39 and 11,604.35

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Solution

The fourth proportional to 21,035.79, 29,029.39 and 11,604.35 is: 16,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.79 : 29,029.39 = 11,604.35 : x
  2. Step 2: Convert to fraction form
    21,035.79/29,029.39 = 11,604.35/x
  3. Step 3: Cross multiply
    21,035.79x = 29,029.39 × 11,604.35
  4. Step 4: Simplify right side
    21,035.79x = 336,867,201.85
  5. Step 5: Solve for x
    x = 336,867,201.85/21,035.79
  6. Step 6: Final answer
    x = 16,014.00

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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.