Home / 8,956.64-13,420.38-7,097.72

Finding the Fourth Proportional to 8,956.64, 13,420.38 and 7,097.72

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Solution

The fourth proportional to 8,956.64, 13,420.38 and 7,097.72 is: 10,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.64 : 13,420.38 = 7,097.72 : x
  2. Step 2: Convert to fraction form
    8,956.64/13,420.38 = 7,097.72/x
  3. Step 3: Cross multiply
    8,956.64x = 13,420.38 × 7,097.72
  4. Step 4: Simplify right side
    8,956.64x = 95,254,099.53
  5. Step 5: Solve for x
    x = 95,254,099.53/8,956.64
  6. Step 6: Final answer
    x = 10,635.03

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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.