Home / 10,861.83-16,296.39-4,284.45

Finding the Fourth Proportional to 10,861.83, 16,296.39 and 4,284.45

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Solution

The fourth proportional to 10,861.83, 16,296.39 and 4,284.45 is: 6,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.83 : 16,296.39 = 4,284.45 : x
  2. Step 2: Convert to fraction form
    10,861.83/16,296.39 = 4,284.45/x
  3. Step 3: Cross multiply
    10,861.83x = 16,296.39 × 4,284.45
  4. Step 4: Simplify right side
    10,861.83x = 69,821,068.14
  5. Step 5: Solve for x
    x = 69,821,068.14/10,861.83
  6. Step 6: Final answer
    x = 6,428.11

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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.