Home / 21,025.57-29,014.25-11,949.76

Finding the Fourth Proportional to 21,025.57, 29,014.25 and 11,949.76

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Solution

The fourth proportional to 21,025.57, 29,014.25 and 11,949.76 is: 16,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.57 : 29,014.25 = 11,949.76 : x
  2. Step 2: Convert to fraction form
    21,025.57/29,014.25 = 11,949.76/x
  3. Step 3: Cross multiply
    21,025.57x = 29,014.25 × 11,949.76
  4. Step 4: Simplify right side
    21,025.57x = 346,713,324.08
  5. Step 5: Solve for x
    x = 346,713,324.08/21,025.57
  6. Step 6: Final answer
    x = 16,490.08

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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.