Home / 19,119.42-28,671.84-5,789.64

Finding the Fourth Proportional to 19,119.42, 28,671.84 and 5,789.64

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Solution

The fourth proportional to 19,119.42, 28,671.84 and 5,789.64 is: 8,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.42 : 28,671.84 = 5,789.64 : x
  2. Step 2: Convert to fraction form
    19,119.42/28,671.84 = 5,789.64/x
  3. Step 3: Cross multiply
    19,119.42x = 28,671.84 × 5,789.64
  4. Step 4: Simplify right side
    19,119.42x = 165,999,631.74
  5. Step 5: Solve for x
    x = 165,999,631.74/19,119.42
  6. Step 6: Final answer
    x = 8,682.25

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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.