Home / 20,321.15-30,484.56-6,282.32

Finding the Fourth Proportional to 20,321.15, 30,484.56 and 6,282.32

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Solution

The fourth proportional to 20,321.15, 30,484.56 and 6,282.32 is: 9,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321.15 : 30,484.56 = 6,282.32 : x
  2. Step 2: Convert to fraction form
    20,321.15/30,484.56 = 6,282.32/x
  3. Step 3: Cross multiply
    20,321.15x = 30,484.56 × 6,282.32
  4. Step 4: Simplify right side
    20,321.15x = 191,513,760.98
  5. Step 5: Solve for x
    x = 191,513,760.98/20,321.15
  6. Step 6: Final answer
    x = 9,424.36

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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.