Home / 19,321.56-28,984.37-5,282.64

Finding the Fourth Proportional to 19,321.56, 28,984.37 and 5,282.64

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Solution

The fourth proportional to 19,321.56, 28,984.37 and 5,282.64 is: 7,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.56 : 28,984.37 = 5,282.64 : x
  2. Step 2: Convert to fraction form
    19,321.56/28,984.37 = 5,282.64/x
  3. Step 3: Cross multiply
    19,321.56x = 28,984.37 × 5,282.64
  4. Step 4: Simplify right side
    19,321.56x = 153,113,965.92
  5. Step 5: Solve for x
    x = 153,113,965.92/19,321.56
  6. Step 6: Final answer
    x = 7,924.51

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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.