Home / 12,378.02-18,568.79-4,056.26

Finding the Fourth Proportional to 12,378.02, 18,568.79 and 4,056.26

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Solution

The fourth proportional to 12,378.02, 18,568.79 and 4,056.26 is: 6,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.02 : 18,568.79 = 4,056.26 : x
  2. Step 2: Convert to fraction form
    12,378.02/18,568.79 = 4,056.26/x
  3. Step 3: Cross multiply
    12,378.02x = 18,568.79 × 4,056.26
  4. Step 4: Simplify right side
    12,378.02x = 75,319,757.42
  5. Step 5: Solve for x
    x = 75,319,757.42/12,378.02
  6. Step 6: Final answer
    x = 6,084.96

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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.