Home / 12,056.96-18,084.84-3,291.68

Finding the Fourth Proportional to 12,056.96, 18,084.84 and 3,291.68

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Solution

The fourth proportional to 12,056.96, 18,084.84 and 3,291.68 is: 4,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.96 : 18,084.84 = 3,291.68 : x
  2. Step 2: Convert to fraction form
    12,056.96/18,084.84 = 3,291.68/x
  3. Step 3: Cross multiply
    12,056.96x = 18,084.84 × 3,291.68
  4. Step 4: Simplify right side
    12,056.96x = 59,529,506.13
  5. Step 5: Solve for x
    x = 59,529,506.13/12,056.96
  6. Step 6: Final answer
    x = 4,937.36

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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.