Home / 10,977.52-16,466.30-3,186.40

Finding the Fourth Proportional to 10,977.52, 16,466.30 and 3,186.40

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Solution

The fourth proportional to 10,977.52, 16,466.30 and 3,186.40 is: 4,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.52 : 16,466.30 = 3,186.40 : x
  2. Step 2: Convert to fraction form
    10,977.52/16,466.30 = 3,186.40/x
  3. Step 3: Cross multiply
    10,977.52x = 16,466.30 × 3,186.40
  4. Step 4: Simplify right side
    10,977.52x = 52,468,218.32
  5. Step 5: Solve for x
    x = 52,468,218.32/10,977.52
  6. Step 6: Final answer
    x = 4,779.61

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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.