Home / 21,025.41-29,014.70-11,465.38

Finding the Fourth Proportional to 21,025.41, 29,014.70 and 11,465.38

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Solution

The fourth proportional to 21,025.41, 29,014.70 and 11,465.38 is: 15,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.41 : 29,014.70 = 11,465.38 : x
  2. Step 2: Convert to fraction form
    21,025.41/29,014.70 = 11,465.38/x
  3. Step 3: Cross multiply
    21,025.41x = 29,014.70 × 11,465.38
  4. Step 4: Simplify right side
    21,025.41x = 332,664,561.09
  5. Step 5: Solve for x
    x = 332,664,561.09/21,025.41
  6. Step 6: Final answer
    x = 15,822.02

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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.