Home / 10,779.96-14,879.16-6,591.72

Finding the Fourth Proportional to 10,779.96, 14,879.16 and 6,591.72

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Solution

The fourth proportional to 10,779.96, 14,879.16 and 6,591.72 is: 9,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.96 : 14,879.16 = 6,591.72 : x
  2. Step 2: Convert to fraction form
    10,779.96/14,879.16 = 6,591.72/x
  3. Step 3: Cross multiply
    10,779.96x = 14,879.16 × 6,591.72
  4. Step 4: Simplify right side
    10,779.96x = 98,079,256.56
  5. Step 5: Solve for x
    x = 98,079,256.56/10,779.96
  6. Step 6: Final answer
    x = 9,098.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.