Home / 18,411.32-25,390.86-12,032.12

Finding the Fourth Proportional to 18,411.32, 25,390.86 and 12,032.12

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Solution

The fourth proportional to 18,411.32, 25,390.86 and 12,032.12 is: 16,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.32 : 25,390.86 = 12,032.12 : x
  2. Step 2: Convert to fraction form
    18,411.32/25,390.86 = 12,032.12/x
  3. Step 3: Cross multiply
    18,411.32x = 25,390.86 × 12,032.12
  4. Step 4: Simplify right side
    18,411.32x = 305,505,874.42
  5. Step 5: Solve for x
    x = 305,505,874.42/18,411.32
  6. Step 6: Final answer
    x = 16,593.37

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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.