Home / 13,589.37-20,385.95-4,822.20

Finding the Fourth Proportional to 13,589.37, 20,385.95 and 4,822.20

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Solution

The fourth proportional to 13,589.37, 20,385.95 and 4,822.20 is: 7,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.37 : 20,385.95 = 4,822.20 : x
  2. Step 2: Convert to fraction form
    13,589.37/20,385.95 = 4,822.20/x
  3. Step 3: Cross multiply
    13,589.37x = 20,385.95 × 4,822.20
  4. Step 4: Simplify right side
    13,589.37x = 98,305,103.98
  5. Step 5: Solve for x
    x = 98,305,103.98/13,589.37
  6. Step 6: Final answer
    x = 7,233.97

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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.