Home / 15,077.10-20,822.67-11,759.34

Finding the Fourth Proportional to 15,077.10, 20,822.67 and 11,759.34

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Solution

The fourth proportional to 15,077.10, 20,822.67 and 11,759.34 is: 16,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.10 : 20,822.67 = 11,759.34 : x
  2. Step 2: Convert to fraction form
    15,077.10/20,822.67 = 11,759.34/x
  3. Step 3: Cross multiply
    15,077.10x = 20,822.67 × 11,759.34
  4. Step 4: Simplify right side
    15,077.10x = 244,860,856.24
  5. Step 5: Solve for x
    x = 244,860,856.24/15,077.10
  6. Step 6: Final answer
    x = 16,240.58

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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.