Home / 13,765.08-20,656.44-4,999.20

Finding the Fourth Proportional to 13,765.08, 20,656.44 and 4,999.20

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Solution

The fourth proportional to 13,765.08, 20,656.44 and 4,999.20 is: 7,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.08 : 20,656.44 = 4,999.20 : x
  2. Step 2: Convert to fraction form
    13,765.08/20,656.44 = 4,999.20/x
  3. Step 3: Cross multiply
    13,765.08x = 20,656.44 × 4,999.20
  4. Step 4: Simplify right side
    13,765.08x = 103,265,674.85
  5. Step 5: Solve for x
    x = 103,265,674.85/13,765.08
  6. Step 6: Final answer
    x = 7,502.00

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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.