Home / 22,384.93-30,891.96-12,313.75

Finding the Fourth Proportional to 22,384.93, 30,891.96 and 12,313.75

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Solution

The fourth proportional to 22,384.93, 30,891.96 and 12,313.75 is: 16,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.93 : 30,891.96 = 12,313.75 : x
  2. Step 2: Convert to fraction form
    22,384.93/30,891.96 = 12,313.75/x
  3. Step 3: Cross multiply
    22,384.93x = 30,891.96 × 12,313.75
  4. Step 4: Simplify right side
    22,384.93x = 380,395,872.45
  5. Step 5: Solve for x
    x = 380,395,872.45/22,384.93
  6. Step 6: Final answer
    x = 16,993.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.