Home / 16,511.55-24,769.29-5,419.51

Finding the Fourth Proportional to 16,511.55, 24,769.29 and 5,419.51

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Solution

The fourth proportional to 16,511.55, 24,769.29 and 5,419.51 is: 8,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.55 : 24,769.29 = 5,419.51 : x
  2. Step 2: Convert to fraction form
    16,511.55/24,769.29 = 5,419.51/x
  3. Step 3: Cross multiply
    16,511.55x = 24,769.29 × 5,419.51
  4. Step 4: Simplify right side
    16,511.55x = 134,237,373.25
  5. Step 5: Solve for x
    x = 134,237,373.25/16,511.55
  6. Step 6: Final answer
    x = 8,129.91

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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.