Home / 13,488.96-20,235.60-4,723.68

Finding the Fourth Proportional to 13,488.96, 20,235.60 and 4,723.68

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Solution

The fourth proportional to 13,488.96, 20,235.60 and 4,723.68 is: 7,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.96 : 20,235.60 = 4,723.68 : x
  2. Step 2: Convert to fraction form
    13,488.96/20,235.60 = 4,723.68/x
  3. Step 3: Cross multiply
    13,488.96x = 20,235.60 × 4,723.68
  4. Step 4: Simplify right side
    13,488.96x = 95,586,499.01
  5. Step 5: Solve for x
    x = 95,586,499.01/13,488.96
  6. Step 6: Final answer
    x = 7,086.28

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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.