Home / 20,496.54-30,705.93-12,158.94

Finding the Fourth Proportional to 20,496.54, 30,705.93 and 12,158.94

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Solution

The fourth proportional to 20,496.54, 30,705.93 and 12,158.94 is: 18,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.54 : 30,705.93 = 12,158.94 : x
  2. Step 2: Convert to fraction form
    20,496.54/30,705.93 = 12,158.94/x
  3. Step 3: Cross multiply
    20,496.54x = 30,705.93 × 12,158.94
  4. Step 4: Simplify right side
    20,496.54x = 373,351,560.51
  5. Step 5: Solve for x
    x = 373,351,560.51/20,496.54
  6. Step 6: Final answer
    x = 18,215.35

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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.