Home / 19,140.39-28,710.58-5,993.79

Finding the Fourth Proportional to 19,140.39, 28,710.58 and 5,993.79

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Solution

The fourth proportional to 19,140.39, 28,710.58 and 5,993.79 is: 8,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.39 : 28,710.58 = 5,993.79 : x
  2. Step 2: Convert to fraction form
    19,140.39/28,710.58 = 5,993.79/x
  3. Step 3: Cross multiply
    19,140.39x = 28,710.58 × 5,993.79
  4. Step 4: Simplify right side
    19,140.39x = 172,085,187.30
  5. Step 5: Solve for x
    x = 172,085,187.30/19,140.39
  6. Step 6: Final answer
    x = 8,990.68

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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.