Home / 21,035.79-29,029.38-11,604.36

Finding the Fourth Proportional to 21,035.79, 29,029.38 and 11,604.36

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Solution

The fourth proportional to 21,035.79, 29,029.38 and 11,604.36 is: 16,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.79 : 29,029.38 = 11,604.36 : x
  2. Step 2: Convert to fraction form
    21,035.79/29,029.38 = 11,604.36/x
  3. Step 3: Cross multiply
    21,035.79x = 29,029.38 × 11,604.36
  4. Step 4: Simplify right side
    21,035.79x = 336,867,376.10
  5. Step 5: Solve for x
    x = 336,867,376.10/21,035.79
  6. Step 6: Final answer
    x = 16,014.01

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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.