Home / 14,317.68-19,758.62-8,651.64

Finding the Fourth Proportional to 14,317.68, 19,758.62 and 8,651.64

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Solution

The fourth proportional to 14,317.68, 19,758.62 and 8,651.64 is: 11,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.68 : 19,758.62 = 8,651.64 : x
  2. Step 2: Convert to fraction form
    14,317.68/19,758.62 = 8,651.64/x
  3. Step 3: Cross multiply
    14,317.68x = 19,758.62 × 8,651.64
  4. Step 4: Simplify right side
    14,317.68x = 170,944,467.14
  5. Step 5: Solve for x
    x = 170,944,467.14/14,317.68
  6. Step 6: Final answer
    x = 11,939.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.