Home / 19,550.64-29,330.07-8,458.91

Finding the Fourth Proportional to 19,550.64, 29,330.07 and 8,458.91

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Solution

The fourth proportional to 19,550.64, 29,330.07 and 8,458.91 is: 12,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.64 : 29,330.07 = 8,458.91 : x
  2. Step 2: Convert to fraction form
    19,550.64/29,330.07 = 8,458.91/x
  3. Step 3: Cross multiply
    19,550.64x = 29,330.07 × 8,458.91
  4. Step 4: Simplify right side
    19,550.64x = 248,100,306.80
  5. Step 5: Solve for x
    x = 248,100,306.80/19,550.64
  6. Step 6: Final answer
    x = 12,690.14

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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.