Home / 10,779.24-16,171.29-2,988.66

Finding the Fourth Proportional to 10,779.24, 16,171.29 and 2,988.66

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Solution

The fourth proportional to 10,779.24, 16,171.29 and 2,988.66 is: 4,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.24 : 16,171.29 = 2,988.66 : x
  2. Step 2: Convert to fraction form
    10,779.24/16,171.29 = 2,988.66/x
  3. Step 3: Cross multiply
    10,779.24x = 16,171.29 × 2,988.66
  4. Step 4: Simplify right side
    10,779.24x = 48,330,487.57
  5. Step 5: Solve for x
    x = 48,330,487.57/10,779.24
  6. Step 6: Final answer
    x = 4,483.66

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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.