Home / 13,132.64-19,698.96-8,758.64

Finding the Fourth Proportional to 13,132.64, 19,698.96 and 8,758.64

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Solution

The fourth proportional to 13,132.64, 19,698.96 and 8,758.64 is: 13,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.64 : 19,698.96 = 8,758.64 : x
  2. Step 2: Convert to fraction form
    13,132.64/19,698.96 = 8,758.64/x
  3. Step 3: Cross multiply
    13,132.64x = 19,698.96 × 8,758.64
  4. Step 4: Simplify right side
    13,132.64x = 172,536,099.01
  5. Step 5: Solve for x
    x = 172,536,099.01/13,132.64
  6. Step 6: Final answer
    x = 13,137.96

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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.