Home / 11,077.10-15,285.86-6,600.75

Finding the Fourth Proportional to 11,077.10, 15,285.86 and 6,600.75

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Solution

The fourth proportional to 11,077.10, 15,285.86 and 6,600.75 is: 9,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.10 : 15,285.86 = 6,600.75 : x
  2. Step 2: Convert to fraction form
    11,077.10/15,285.86 = 6,600.75/x
  3. Step 3: Cross multiply
    11,077.10x = 15,285.86 × 6,600.75
  4. Step 4: Simplify right side
    11,077.10x = 100,898,214.22
  5. Step 5: Solve for x
    x = 100,898,214.22/11,077.10
  6. Step 6: Final answer
    x = 9,108.72

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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.