Home / 11,130.35-16,695.52-2,810.86

Finding the Fourth Proportional to 11,130.35, 16,695.52 and 2,810.86

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Solution

The fourth proportional to 11,130.35, 16,695.52 and 2,810.86 is: 4,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.35 : 16,695.52 = 2,810.86 : x
  2. Step 2: Convert to fraction form
    11,130.35/16,695.52 = 2,810.86/x
  3. Step 3: Cross multiply
    11,130.35x = 16,695.52 × 2,810.86
  4. Step 4: Simplify right side
    11,130.35x = 46,928,769.35
  5. Step 5: Solve for x
    x = 46,928,769.35/11,130.35
  6. Step 6: Final answer
    x = 4,216.29

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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.