Home / 13,477.83-20,220.11-5,158.50

Finding the Fourth Proportional to 13,477.83, 20,220.11 and 5,158.50

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Solution

The fourth proportional to 13,477.83, 20,220.11 and 5,158.50 is: 7,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.83 : 20,220.11 = 5,158.50 : x
  2. Step 2: Convert to fraction form
    13,477.83/20,220.11 = 5,158.50/x
  3. Step 3: Cross multiply
    13,477.83x = 20,220.11 × 5,158.50
  4. Step 4: Simplify right side
    13,477.83x = 104,305,437.44
  5. Step 5: Solve for x
    x = 104,305,437.44/13,477.83
  6. Step 6: Final answer
    x = 7,739.04

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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.