Home / 11,575.76-17,363.70-2,810.75

Finding the Fourth Proportional to 11,575.76, 17,363.70 and 2,810.75

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Solution

The fourth proportional to 11,575.76, 17,363.70 and 2,810.75 is: 4,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.76 : 17,363.70 = 2,810.75 : x
  2. Step 2: Convert to fraction form
    11,575.76/17,363.70 = 2,810.75/x
  3. Step 3: Cross multiply
    11,575.76x = 17,363.70 × 2,810.75
  4. Step 4: Simplify right side
    11,575.76x = 48,804,932.96
  5. Step 5: Solve for x
    x = 48,804,932.96/11,575.76
  6. Step 6: Final answer
    x = 4,216.13

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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.