Home / 10,779.02-16,171.23-4,207.13

Finding the Fourth Proportional to 10,779.02, 16,171.23 and 4,207.13

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Solution

The fourth proportional to 10,779.02, 16,171.23 and 4,207.13 is: 6,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.02 : 16,171.23 = 4,207.13 : x
  2. Step 2: Convert to fraction form
    10,779.02/16,171.23 = 4,207.13/x
  3. Step 3: Cross multiply
    10,779.02x = 16,171.23 × 4,207.13
  4. Step 4: Simplify right side
    10,779.02x = 68,034,466.87
  5. Step 5: Solve for x
    x = 68,034,466.87/10,779.02
  6. Step 6: Final answer
    x = 6,311.75

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1.5x scale

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.