Home / 12,934.08-19,403.28-4,169.88

Finding the Fourth Proportional to 12,934.08, 19,403.28 and 4,169.88

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Solution

The fourth proportional to 12,934.08, 19,403.28 and 4,169.88 is: 6,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.08 : 19,403.28 = 4,169.88 : x
  2. Step 2: Convert to fraction form
    12,934.08/19,403.28 = 4,169.88/x
  3. Step 3: Cross multiply
    12,934.08x = 19,403.28 × 4,169.88
  4. Step 4: Simplify right side
    12,934.08x = 80,909,349.21
  5. Step 5: Solve for x
    x = 80,909,349.21/12,934.08
  6. Step 6: Final answer
    x = 6,255.52

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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.