Home / 13,317.60-19,956.96-7,475.88

Finding the Fourth Proportional to 13,317.60, 19,956.96 and 7,475.88

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Solution

The fourth proportional to 13,317.60, 19,956.96 and 7,475.88 is: 11,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.60 : 19,956.96 = 7,475.88 : x
  2. Step 2: Convert to fraction form
    13,317.60/19,956.96 = 7,475.88/x
  3. Step 3: Cross multiply
    13,317.60x = 19,956.96 × 7,475.88
  4. Step 4: Simplify right side
    13,317.60x = 149,195,838.12
  5. Step 5: Solve for x
    x = 149,195,838.12/13,317.60
  6. Step 6: Final answer
    x = 11,202.91

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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.