Home / 16,904.32-25,353.60-5,214.40

Finding the Fourth Proportional to 16,904.32, 25,353.60 and 5,214.40

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Solution

The fourth proportional to 16,904.32, 25,353.60 and 5,214.40 is: 7,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.32 : 25,353.60 = 5,214.40 : x
  2. Step 2: Convert to fraction form
    16,904.32/25,353.60 = 5,214.40/x
  3. Step 3: Cross multiply
    16,904.32x = 25,353.60 × 5,214.40
  4. Step 4: Simplify right side
    16,904.32x = 132,203,811.84
  5. Step 5: Solve for x
    x = 132,203,811.84/16,904.32
  6. Step 6: Final answer
    x = 7,820.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.